879  
FOUS55 KBOU 122038  
PFWBOU  
 
EXPERIMENTAL FIRE WEATHER POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE DENVER/BOULDER CO  
237 PM MDT MON APR 12 2021  
 
COZ211-131100-  
WALDEN CO (METAR)  
40.75N 106.28W ELEV. 8156 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 18 41 22 49 25  
TEMP 44 39 25 22 20 18 27 40 39 36 29 26 24 22 31 44 49 44 32 29 27 25  
DEWPT 10 12 15 15 14 14 15 18 22 22 21 21 20 19 22 22 22 23 23 23 22 21  
MIN/MAX RH 84 42 92 34 85  
RH 24 32 65 74 77 84 60 41 50 56 72 81 84 88 69 41 34 43 69 78 81 84  
WIND DIR NW N NE NE NE NE NE NE NE NE E E E E SE SE S SE E SE SE S  
WIND SPD 11 12 9 8 6 6 6 8 10 11 10 10 8 8 6 9 11 12 9 8 6 5  
WIND GUST 21  
CLOUDS SC SC SC SC BK BK OV OV OV BK BK BK BK BK BK SC BK BK BK BK SC SC  
CLOUDS (%) 41 44 53 61 75 89100100 96 87 82 90 80 80 71 70 73 81 83 72 68 64  
POP 12HR 20 60 70 40 40  
RAIN C C  
SNOW L L L L S S C C C S S C  
SNOWSHWRS IS SC SC SC SC  
TSTMS IS IS IS IS  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 1 1 1  
HAINES 3 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 3 2 3 3 3  
15K WIND DIR W W W W W W W W SW SW SW S W SW SW SW SW S SW SW SW SW  
15K WIND SPD 25 27 39 36 34 33 31 21 21 26 19 16 31 32 26 28 32 33 40 35 39 34  
MIX HGT 6 4 1 1 1 1 2 4 4 2 1 1 <1 <1 2 3 6 1 1 <1 <1 <1  
TRANSWND DIR W N NE NE E E E NE NE E E E E E SE S S SE E SE SE SE  
TRANSWND SPD 12 11 5 5 4 3 3 3 5 5 8 5 5 5 5 8 11 8 8 6 6 5  
SMOKE DISP GD PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR FR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 45 21 38 16 41 16 47 21 49  
TEMP 42 39 27 24 34 34 23 19 35 37 22 19 42 43 28 24 44 44  
DEWPT 21 21 21 20 18 17 17 14 15 15 15 12 15 16 17 16 20 20  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS SC BK BK BK BK BK BK SC SC SC SC FW FW FW FW FW FW SC  
POP 12HR 70 50 60 30 30 10 20 5 20  
RAIN S S  
SNOW C L C C C L C S C S S  
TSTMS IS IS IS  
 

 
 
COZ212-131100-  
BERTHOUD PASS CO (METAR)  
39.79N 105.76W ELEV. 12493 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 13 23 15 28 19  
TEMP 29 24 16 14 13 13 16 23 22 20 19 18 16 15 22 27 28 24 22 22 21 19  
DEWPT 6 10 12 12 12 12 14 17 20 18 14 13 13 13 16 17 20 19 18 16 15 14  
MIN/MAX RH 96 77 96 66 87  
RH 37 54 84 92 96 96 92 77 92 92 80 80 88 92 77 65 71 81 84 77 77 80  
WIND DIR W N S S S S SE S SE SE SE SE SE S S S SE SE S S SW SW  
WIND SPD 9 4 9 12 12 13 13 10 9 12 16 18 18 14 14 13 13 13 13 16 14 14  
WIND GUST 19 14 20 25 27 27 26 23 20 23 31 34 34 27 26 24 26 29 29 27  
CLOUDS FW SC SC BK OV OV OV OV OV BK BK BK BK BK BK BK BK BK BK BK BK BK  
CLOUDS (%) 30 53 70 86 99 98100100 98 93 94 89 82 82 74 76 80 89 87 79 76 76  
POP 12HR 60 80 90 60 50  
SNOW D D D D C C L L C C C C C  
SNOWSHWRS IS SC SC NM NM NM NM NM  
TSTMS IS IS IS IS  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 1 1 1  
HAINES 5 3 2 2 2 2 2 2 2 2 2 2 2 2 2 3 3 2 2 2 2 2  
15K WIND DIR W W SW W W W W SW SW SW SW S SW SW SW SW SW SW SW SW SW SW  
15K WIND SPD 28 24 24 34 32 31 33 25 23 21 21 37 36 28 21 23 24 34 35 32 32 35  
MIX HGT 6 2 1 1 1 <1 1 2 2 1 <1 <1 <1 <1 2 5 3 2 <1 <1 <1 <1  
TRANSWND DIR W W SE SE SE SE S SE SE SE SE SE SE SE S S SE SE SE SE SE S  
TRANSWND SPD 18 5 9 16 13 12 11 10 5 10 16 16 13 6 9 12 12 10 9 10 9 8  
SMOKE DISP VG PR PR PR PR PR PR PR PR PR PR PR PR PR PR FR PR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 27 14 19 10 21 10 27 16 28  
TEMP 27 23 17 14 17 17 14 11 18 19 13 12 23 26 19 17 26 27  
DEWPT 17 18 13 12 14 14 10 8 11 12 8 5 12 14 10 10 15 17  
WIND CHAR <15 15> 15> 15> 15> 15> 15> 15> 15>  
AVG CLOUDS SC BK BK BK BK BK BK BK BK SC SC SC SC SC SC FW SC SC  
POP 12HR 90 70 90 70 60 30 30 20 40  
SNOW C D L C L D L C C L C S S C S S C  
TSTMS IS IS IS  
 

 
 
COZ212-131100-  
4 MI SW OF ROLLINSVILLE CO (METAR)  
39.87N 105.55W ELEV. 10938 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 15 31 19 35 22  
TEMP 34 29 21 18 17 15 19 28 31 28 23 21 21 19 28 34 35 32 28 27 25 23  
DEWPT 12 13 14 15 14 14 14 16 19 19 17 16 16 16 16 17 20 20 19 18 19 16  
MIN/MAX RH 94 59 86 51 79  
RH 39 51 74 88 88 96 80 60 61 68 77 81 81 88 60 49 54 61 68 68 78 74  
WIND DIR E E SE SE SE SE SE SE E E E SE E SE SE SE SE SE SE S SW SW  
WIND SPD 5 6 6 8 9 10 10 10 9 10 11 12 13 11 11 11 12 11 10 11 10 11  
WIND GUST 23 23 24  
CLOUDS SC BK BK OV OV OV OV OV OV BK OV BK BK BK BK BK BK BK BK BK BK BK  
CLOUDS (%) 58 81 89 97100 99100100 98 93 97 94 89 92 86 83 88 90 93 85 79 78  
POP 12HR 70 80 90 50 50  
SNOW D D D D C C C C C C C C C  
SNOWSHWRS IS SC SC NM NM NM NM NM  
TSTMS IS IS IS IS  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 1 1 1  
HAINES 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  
15K WIND DIR W W SW W SW W W W SW SW SW S SW SW SW SW SW SW SW SW SW SW  
15K WIND SPD 32 27 27 35 32 31 35 26 24 24 21 33 37 29 21 25 24 35 37 32 32 33  
MIX HGT 4 3 2 1 1 1 1 2 2 1 1 1 <1 1 2 3 3 2 1 <1 <1 <1  
TRANSWND DIR SW E E SE SE SE E E E E SE E SE SE SE S E E SE SE S SW  
TRANSWND SPD 6 5 5 5 6 9 8 8 5 5 5 6 5 5 6 9 11 8 5 5 4 4  
SMOKE DISP PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 38 20 28 15 31 16 39 22 40  
TEMP 38 32 22 20 26 25 19 17 27 27 18 18 34 34 25 23 36 35  
DEWPT 19 20 16 15 14 15 13 11 11 14 10 8 13 16 13 13 16 18  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 15>  
AVG CLOUDS SC BK BK BK BK BK BK BK SC SC SC FW SC SC SC FW SC SC  
POP 12HR 90 80 80 70 50 30 30 20 30  
SNOW C D D C L D L C C C C S C S S C  
TSTMS IS IS IS IS  
 

 
 
COZ212-131100-  
COPPER MOUNTAIN CO (METAR)  
39.48N 106.15W ELEV. 12047 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 21 34 20 38 25  
TEMP 39 37 28 22 21 21 24 32 34 30 24 21 21 21 27 36 38 36 30 27 27 25  
DEWPT 7 9 12 13 13 14 15 20 24 25 19 17 16 16 20 21 22 22 20 18 18 16  
MIN/MAX RH 74 59 87 51 71  
RH 26 31 50 68 71 74 68 61 66 81 81 84 81 81 74 54 52 56 66 68 68 68  
WIND DIR W W SW S S S S S S S SE SE S S S S S S S S S S  
WIND SPD 18 13 9 13 14 14 11 10 10 9 10 12 11 11 10 10 11 11 11 11 10 10  
WIND GUST 29 20 20 20 24  
CLOUDS FW SC SC BK OV OV OV OV OV BK BK BK BK BK BK BK BK BK BK BK BK BK  
CLOUDS (%) 24 43 63 83 98 97100100 98 94 93 89 84 78 73 73 79 89 90 89 86 81  
POP 12HR 60 90 90 50 50  
SNOW D D D D C C C C C C C C C  
SNOWSHWRS IS SC SC NM NM NM O O  
TSTMS IS IS IS IS  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 1 1 1  
HAINES 5 5 3 2 2 2 2 2 3 2 2 2 2 2 2 3 3 3 2 2 3 2  
15K WIND DIR W W SW SW SW W W SW W SW SW SW SW SW SW SW SW SW SW SW SW SW  
15K WIND SPD 28 24 21 33 36 32 31 29 23 17 21 39 34 23 21 24 26 34 39 32 34 35  
MIX HGT 7 6 1 <1 <1 1 1 4 4 2 <1 1 <1 <1 2 5 5 2 1 <1 <1 <1  
TRANSWND DIR W W S S S S S S S S SE SE SE S S S S SE SE SE SE SE  
TRANSWND SPD 21 19 14 18 19 16 18 20 19 12 19 23 16 12 13 17 18 14 13 11 10 9  
SMOKE DISP VG GD PR PR PR PR PR GD GD PR PR PR PR PR PR GD GD PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 35 19 30 17 30 16 35 21 37  
TEMP 35 31 23 21 27 27 20 18 27 28 21 17 32 32 24 22 34 34  
DEWPT 19 19 17 14 18 18 14 12 15 14 11 7 14 15 11 11 16 18  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS BK BK BK BK BK BK BK BK BK BK SC SC SC SC SC FW FW SC  
POP 12HR 80 60 90 70 60 30 40 20 30  
SNOW C D L C L D L C C L C S S C S S C  
TSTMS IS IS IS IS  
 

 
 
COZ212-131100-  
JONES HILL CO (RAWS)  
39.04N 106.00W ELEV. 9515 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 26 39 27 43 30  
TEMP 50 46 32 29 27 26 28 35 39 36 31 28 28 27 32 38 43 40 34 32 32 30  
DEWPT 9 10 15 16 19 19 19 22 24 27 22 22 21 21 23 23 23 22 21 22 23 21  
MIN/MAX RH 74 53 78 45 71  
RH 19 23 49 58 71 74 68 59 54 69 69 78 75 78 69 54 45 48 58 66 69 69  
WIND DIR W W SE SE SE SE SE S S SE SE SE SE SE SE S S SE SE S S S  
WIND SPD 12 8 8 6 6 6 8 9 11 11 9 8 5 5 6 10 12 12 9 8 6 5  
WIND GUST 20  
CLOUDS FW SC BK OV OV OV OV OV OV BK BK BK BK OV BK BK BK BK BK BK BK BK  
CLOUDS (%) 28 46 72 99100100100100 97 92 94 93 93 95 90 75 74 80 87 89 86 80  
POP 12HR 60 70 80 30 30  
RAIN C  
SNOW D D L L C C C C S S C  
SNOWSHWRS IS SC NM NM NM NM NM  
TSTMS IS IS IS IS  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 1 1 1  
HAINES 6 5 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 3 2 2 2 2  
15K WIND DIR W W SW SW SW SW W W W SW S SW SW SW SW SW SW SW SW SW SW SW  
15K WIND SPD 26 24 27 34 37 35 27 31 31 21 25 37 35 34 33 34 33 37 40 31 33 33  
MIX HGT 8 6 2 2 2 1 2 3 4 2 1 1 <1 1 2 3 4 2 1 2 1 <1  
TRANSWND DIR W W E E SE SE S S S SE SE SE SE SE S S S SE SE S SE S  
TRANSWND SPD 23 17 8 6 8 5 5 12 14 8 10 6 4 5 5 10 12 11 10 10 10 5  
SMOKE DISP EX GD PR PR PR PR PR PR FR PR PR PR PR PR PR PR PR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 43 24 37 22 38 21 44 25 47  
TEMP 41 40 29 26 34 33 27 24 33 35 26 23 40 41 30 28 43 44  
DEWPT 21 17 18 17 17 16 17 15 15 14 14 11 16 15 15 14 18 17  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS BK BK SC SC BK BK BK BK BK SC SC SC SC SC FW FW FW SC  
POP 12HR 60 40 70 50 50 30 30 20 30  
RAIN C  
SNOW C L C C C L C S C C C C S C  
TSTMS IS IS IS  
 

 
 
COZ212-131100-  
KEYSER RIDGE CO (RAWS)  
39.89N 106.04W ELEV. 10201 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 25 41 26 48 28  
TEMP 45 41 30 27 27 25 33 41 39 34 29 27 27 27 37 47 47 40 32 32 30 29  
DEWPT 7 9 13 15 16 17 17 20 26 26 19 18 17 18 21 20 21 22 21 20 19 17  
MIN/MAX RH 70 43 74 33 64  
RH 20 26 49 60 63 71 51 42 59 72 66 68 65 68 52 34 35 48 63 61 63 60  
WIND DIR W NW S S S SE SE S S SE SE SE SE SE S S S SE SE SE S S  
WIND SPD 11 11 3 8 8 9 8 6 5 8 10 12 10 9 8 9 10 9 9 10 8 8  
WIND GUST 17 16 23  
CLOUDS FW FW SC SC OV OV OV OV OV BK BK BK BK BK SC BK BK BK BK BK BK BK  
CLOUDS (%) 21 32 48 64 95 99100100 98 94 89 87 82 81 69 78 81 88 81 80 72 74  
POP 12HR 40 80 90 50 50  
RAIN C C  
SNOW D D D D C C L L C C C C C  
SNOWSHWRS IS SC SC SC SC NM NM  
TSTMS IS IS IS IS  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 1 1 1  
HAINES 4 4 3 2 2 2 2 3 3 2 2 2 2 2 2 3 4 2 2 2 3 3  
15K WIND DIR W SW SW W W W W SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW  
15K WIND SPD 27 26 32 34 34 35 35 21 21 24 20 32 36 29 26 25 17 33 40 33 39 34  
MIX HGT 7 5 1 1 1 1 2 6 5 2 <1 <1 <1 <1 3 7 6 2 <1 <1 <1 <1  
TRANSWND DIR W W SE SE S S S SW SW SE SE SE S S S SW S SE SE SE SE SE  
TRANSWND SPD 20 11 4 10 14 14 13 14 11 4 19 20 18 9 10 14 10 9 10 10 9 9  
SMOKE DISP VG FR PR PR PR PR PR GD FR PR PR PR PR PR PR GD FR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 42 23 37 21 38 20 43 24 45  
TEMP 41 34 28 24 33 31 25 21 34 33 24 21 39 38 28 25 42 40  
DEWPT 19 20 18 16 17 16 15 13 14 14 13 10 14 15 14 14 18 19  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS BK BK BK BK BK BK BK BK BK SC SC SC SC SC SC FW FW SC  
POP 12HR 80 70 90 60 50 30 30 20 30  
SNOW C D L C L D L C C C C S C S S C  
TSTMS IS IS IS  
 

 
 
COZ212-131100-  
KENOSHA PASS CO (RAWS)  
39.41N 105.75W ELEV. 10200 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 20 38 21 42 25  
TEMP 47 37 24 22 20 20 22 31 38 33 26 24 23 22 28 38 42 38 29 28 27 25  
DEWPT 8 12 15 15 16 16 16 19 23 24 20 19 18 17 20 21 23 22 22 21 21 19  
MIN/MAX RH 87 51 86 46 79  
RH 20 35 68 74 84 84 77 61 54 69 78 81 81 81 71 50 46 52 75 75 78 78  
WIND DIR W N SE S S S S S S SE SE SE SE S S S S SE S S SW SW  
WIND SPD 10 2 4 8 9 9 8 9 9 9 5 5 4 4 5 10 11 10 6 6 5 6  
WIND GUST 19 19  
CLOUDS SC SC BK BK OV OV OV OV OV BK OV BK BK BK BK BK BK BK BK BK BK BK  
CLOUDS (%) 33 62 78 94100100100100 98 94 97 93 91 91 86 79 87 89 94 89 89 81  
POP 12HR 70 80 90 40 40  
SNOW D D D D S S C C C C C C C  
SNOWSHWRS IS SC SC NM NM NM NM NM  
TSTMS IS IS IS IS  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 1 1 1  
HAINES 6 4 2 2 2 2 2 2 3 2 2 2 2 2 2 2 3 2 2 2 2 2  
15K WIND DIR W W SW SW SW SW W W SW SW S S SW SW SW SW SW SW SW SW SW SW  
15K WIND SPD 25 24 25 34 37 34 33 31 26 23 23 40 36 29 28 29 31 35 39 32 33 32  
MIX HGT 9 3 1 2 2 2 2 2 4 1 1 1 <1 <1 2 3 3 2 1 1 1 <1  
TRANSWND DIR W W E SE S S S S S SE SE SE S S S S S SE S S S SW  
TRANSWND SPD 19 8 5 8 13 14 12 10 8 9 8 6 4 5 6 11 13 10 9 10 10 5  
SMOKE DISP VG PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 42 19 34 16 36 15 43 20 45  
TEMP 39 37 24 20 31 29 21 18 32 31 20 17 37 38 25 22 40 39  
DEWPT 21 19 17 15 16 16 14 12 15 14 12 8 15 16 13 12 17 18  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS BK BK BK BK BK BK BK BK BK SC SC SC FW SC SC FW FW SC  
POP 12HR 70 60 80 70 50 30 30 20 30  
SNOW C L L C L D L C C L C S C S S C  
TSTMS IS IS IS IS  
 

 
 
COZ212-131100-  
LOST PARK CO (RAWS)  
39.31N 105.54W ELEV. 10656 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 16 38 18 41 23  
TEMP 40 29 20 18 16 16 20 30 38 29 22 20 19 18 23 37 41 34 26 25 24 23  
DEWPT 10 14 14 14 15 15 15 17 21 22 18 17 16 16 18 20 21 20 19 19 20 17  
MIN/MAX RH 96 48 95 44 85  
RH 28 53 77 84 96 96 81 58 50 75 84 88 88 92 81 50 44 56 74 78 84 77  
WIND DIR S E E SE S S S S SE E E E S S S S SE SE S SW SW SW  
WIND SPD 5 6 5 5 6 8 6 6 6 6 6 5 5 4 6 9 9 9 6 8 9 8  
WIND GUST 17 17 17  
CLOUDS SC SC BK OV OV OV OV OV OV BK OV BK BK BK BK BK BK BK BK BK BK BK  
CLOUDS (%) 37 43 71 98100 99100100 98 94 97 94 93 91 90 81 88 85 91 91 90 80  
POP 12HR 80 80 90 50 40  
SNOW D D D D S S C C C C C C C  
SNOWSHWRS IS SC SC O NM NM NM NM  
TSTMS IS IS IS IS  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 1 1 1  
HAINES 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  
15K WIND DIR W W SW W SW SW W W SW SW SW SW SW SW SW SW SW SW SW SW SW SW  
15K WIND SPD 27 25 27 36 39 37 33 32 29 27 26 39 39 36 34 33 37 44 40 35 34 34  
MIX HGT 4 2 1 1 1 1 2 2 3 2 1 1 <1 1 2 3 4 2 1 2 1 <1  
TRANSWND DIR W E E SE S S SW SW SE E SE SE S S S S S SE SE S SW SW  
TRANSWND SPD 8 8 5 6 10 13 12 9 9 8 8 9 3 6 8 13 14 9 6 9 10 8  
SMOKE DISP PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR FR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 43 17 33 14 35 13 43 19 44  
TEMP 41 33 20 18 30 26 17 15 31 29 17 14 38 36 22 20 41 37  
DEWPT 19 18 15 13 14 14 13 11 14 13 10 6 14 15 12 10 15 16  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS BK BK BK BK BK BK BK BK BK SC SC SC SC SC SC FW FW SC  
POP 12HR 80 60 80 70 50 30 30 20 30  
SNOW C D L C L D L C C C C S S C S S C  
TSTMS IS IS IS IS  
 

 
 
COZ212-131100-  
PICKLE GULCH CO (RAWS)  
39.84N 105.52W ELEV. 9380 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 20 35 23 39 25  
TEMP 39 35 25 23 21 20 23 32 35 31 27 26 24 23 31 38 38 36 30 28 27 26  
DEWPT 14 15 16 17 17 17 16 19 20 21 20 19 19 18 20 21 22 22 22 21 21 19  
MIN/MAX RH 88 53 83 50 80  
RH 35 43 68 77 84 88 74 58 54 66 74 74 81 81 63 50 52 56 72 75 78 74  
WIND DIR E E E SE SE SE SE E E E E E E E SE SE E SE SE S SW SW  
WIND SPD 6 6 4 5 5 6 6 8 9 6 5 4 5 5 6 9 10 8 5 4 4 5  
WIND GUST 19  
CLOUDS SC BK BK OV OV OV OV OV OV BK OV OV BK BK BK BK BK BK BK BK BK BK  
CLOUDS (%) 61 81 90 98100 99100100 98 93 96 95 88 92 87 85 88 91 93 86 79 77  
POP 12HR 70 80 90 50 50  
SNOW D D D D C C C C C C C C C  
SNOWSHWRS IS SC SC NM NM NM NM NM  
TSTMS IS IS IS IS  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 1 1 1  
HAINES 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  
15K WIND DIR W W SW W SW W W W W SW SW S SW SW SW SW SW SW SW SW SW SW  
15K WIND SPD 32 27 27 35 33 31 34 25 25 25 21 34 37 28 23 26 25 35 37 32 32 33  
MIX HGT 4 3 2 1 1 1 2 2 2 2 1 1 <1 1 2 3 2 2 1 <1 <1 <1  
TRANSWND DIR E E E SE SE SE E E SE E E E SE SE SE S E E SE SE S SW  
TRANSWND SPD 5 5 5 5 5 6 5 5 4 4 5 5 6 5 5 8 10 6 5 5 4 3  
SMOKE DISP PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 42 22 33 18 35 19 43 25 45  
TEMP 42 35 26 24 30 27 22 21 32 31 22 22 39 39 28 27 42 38  
DEWPT 23 23 19 18 18 18 16 13 16 16 13 11 17 19 16 15 20 21  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS SC BK BK BK BK BK BK BK SC SC SC FW FW SC SC FW SC SC  
POP 12HR 80 80 80 70 50 30 30 20 30  
SNOW C D D C L D L C C C C S C S S C  
TSTMS IS IS IS IS  
 

 
 
COZ212-131100-  
SODA CREEK CO (RAWS)  
39.56N 105.99W ELEV. 9578 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 21 41 23 46 26  
TEMP 48 44 32 24 23 21 26 37 41 37 29 27 24 24 30 43 46 42 34 31 28 26  
DEWPT 7 9 14 15 15 15 15 19 23 25 21 20 18 17 20 20 21 22 24 23 21 19  
MIN/MAX RH 77 44 80 35 79  
RH 18 23 47 68 71 77 62 48 48 61 72 74 77 74 66 39 37 44 66 72 75 74  
WIND DIR W W S S S SE SE S S SE SE SE SE SE S S S S SE S S S  
WIND SPD 14 11 6 11 11 12 10 9 9 9 8 8 8 8 6 9 10 10 8 8 6 6  
WIND GUST 25  
CLOUDS FW SC SC BK OV OV OV OV OV OV BK BK BK BK BK SC BK BK BK BK BK BK  
CLOUDS (%) 27 48 65 82 99 98100100 98 95 92 90 82 80 73 70 77 90 90 89 83 78  
POP 12HR 60 80 90 50 40  
RAIN C  
SNOW D D D D S S C C C C C C C  
SNOWSHWRS IS IS SC NM NM NM NM NM  
TSTMS IS IS IS IS  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 1 1 1  
HAINES 5 5 3 2 2 2 2 3 3 2 2 2 2 2 2 3 3 3 2 2 2 2  
15K WIND DIR W W SW SW SW W W SW W SW SW SW SW SW SW SW SW SW SW SW SW SW  
15K WIND SPD 27 24 21 34 36 32 31 27 24 18 23 42 36 25 23 24 25 34 39 31 32 35  
MIX HGT 7 6 2 2 1 1 2 4 5 2 1 2 1 <1 2 5 5 2 1 1 <1 <1  
TRANSWND DIR W W S SE SE SE S S S SE SE SE SE SE S S S SE SE SE SE SE  
TRANSWND SPD 17 12 13 19 17 16 18 16 17 11 18 18 14 9 11 17 18 13 11 13 10 9  
SMOKE DISP VG GD PR PR PR PR PR FR GD PR PR PR PR PR PR GD GD PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 44 21 37 18 38 16 44 20 46  
TEMP 43 39 26 21 33 31 22 18 33 33 21 17 39 39 25 21 41 41  
DEWPT 18 19 20 16 16 17 17 14 12 13 14 10 14 15 16 14 16 19  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS BK BK BK BK BK BK BK BK BK SC SC SC SC SC SC FW FW SC  
POP 12HR 80 60 80 60 50 30 30 20 30  
SNOW C D L C L D L C C C C S C S S C  
TSTMS IS IS IS  
 

 
 
COZ212-131100-  
PSF1 SOUTH PLATTE CO (RAWS)  
39.51N 105.54W ELEV. 9058 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 19 37 20 40 25  
TEMP 40 32 23 20 19 19 24 34 37 32 27 23 22 20 27 37 40 36 30 28 26 26  
DEWPT 14 15 16 16 17 17 18 21 23 23 20 19 18 17 20 23 25 24 21 21 20 18  
MIN/MAX RH 92 53 86 53 77  
RH 34 49 74 84 92 92 77 58 56 69 74 84 84 88 74 56 55 61 69 75 78 71  
WIND DIR SE E SE S S SE SE SE E E SE SE SE SE S SE SE SE SE S SW SW  
WIND SPD 5 6 5 5 5 6 6 8 8 6 4 3 4 4 5 9 8 6 4 4 5 6  
WIND GUST 18  
CLOUDS SC SC BK OV OV OV OV OV OV BK OV OV BK BK BK BK BK BK BK BK BK BK  
CLOUDS (%) 50 69 83 97100 98100100 98 94 97 96 89 88 82 78 89 91 94 91 87 76  
POP 12HR 70 80 90 50 50  
SNOW D D D D C C C C C C C C C  
SNOWSHWRS IS SC SC NM NM NM NM NM  
TSTMS IS IS IS IS  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 1 1 1  
HAINES 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  
15K WIND DIR W W SW W SW SW W W SW SW S S SW SW SW SW SW SW SW SW SW SW  
15K WIND SPD 29 24 23 34 37 35 34 33 32 25 24 39 37 31 31 32 36 39 39 34 33 33  
MIX HGT 4 3 2 1 1 1 2 3 2 2 1 1 <1 <1 2 3 3 2 1 <1 <1 <1  
TRANSWND DIR W E E SE S S S SE SE E SE E S SE S S SE SE SE S SW SW  
TRANSWND SPD 6 5 4 4 4 4 5 6 5 5 4 4 3 4 6 11 10 6 8 8 8 8  
SMOKE DISP PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 43 20 33 17 35 16 43 22 45  
TEMP 41 36 25 22 30 29 22 19 32 31 21 19 38 39 26 24 41 40  
DEWPT 24 23 17 15 19 19 14 11 17 17 11 8 18 20 14 12 20 21  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS SC BK BK BK BK BK BK BK BK SC SC SC FW SC SC FW FW SC  
POP 12HR 80 70 80 70 50 30 30 20 30  
SNOW C D L C L D L C C C C S C S S C  
TSTMS IS IS IS IS  
 

 
 
COZ213-131100-  
KREMMLING CO (METAR)  
40.06N 106.37W ELEV. 7405 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 23 49 26 54 27  
TEMP 52 46 31 25 25 23 33 47 48 43 35 31 28 26 34 48 54 48 38 33 31 27  
DEWPT 10 11 15 18 19 20 21 23 28 29 29 27 25 23 26 28 26 28 28 28 26 24  
MIN/MAX RH 90 39 90 35 91  
RH 18 24 51 74 78 88 61 38 46 57 78 85 88 88 72 46 34 46 67 82 81 88  
WIND DIR NW NW N N N NE E S SW E E E E E E S SW SE E E SE SE  
WIND SPD 10 13 9 5 4 6 4 3 5 6 9 8 5 5 5 5 9 11 8 5 4 3  
WIND GUST 20  
CLOUDS FW FW SC SC BK OV OV OV OV BK BK BK BK BK SC SC BK BK BK BK BK BK  
CLOUDS (%) 24 29 45 61 91 98100100 95 86 89 89 91 83 67 69 73 73 80 77 72 74  
POP 12HR 20 70 80 40 40  
RAIN D C C C C  
RAIN SHWRS NM NM  
SNOW D L L S S C S S C  
SNOWSHWRS IS IS SC SC  
TSTMS IS IS IS IS  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 1 1 1  
HAINES 4 3 2 2 2 2 2 3 3 2 2 2 2 2 2 3 4 3 3 3 3 3  
15K WIND DIR W SW SW W W W W SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW  
15K WIND SPD 25 27 32 35 35 33 34 25 32 33 20 26 31 31 31 34 26 37 41 36 42 39  
MIX HGT 7 4 <1 <1 <1 <1 1 4 5 2 1 1 1 <1 2 3 5 2 <1 <1 <1 <1  
TRANSWND DIR W NW N N N NE NE SW S E E E E E SE S S SE E E E E  
TRANSWND SPD 18 13 12 12 8 5 3 4 11 6 12 11 10 8 5 5 6 11 10 5 5 3  
SMOKE DISP VG FR PR PR PR PR PR PR FR PR PR PR PR PR PR PR PR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 48 24 43 20 45 19 51 22 52  
TEMP 46 44 30 26 37 40 27 21 37 42 27 20 42 47 31 24 45 49  
DEWPT 25 27 27 23 23 23 23 18 19 19 20 16 20 19 22 19 24 24  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS BK BK BK BK BK BK BK BK SC SC SC FW FW SC FW FW FW SC  
POP 12HR 70 50 70 40 40 20 20 10 20  
RAIN L S S  
SNOW C C C C L C S S C S S S  
TSTMS IS IS IS  
 

 
 
COZ213-131100-  
GRANBY CO (METAR)  
40.09N 105.91W ELEV. 8202 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 18 42 22 48 23  
TEMP 48 43 26 21 20 18 26 41 38 35 31 27 24 22 27 44 48 43 34 30 27 23  
DEWPT 10 11 15 17 17 17 17 21 26 24 22 22 20 20 22 23 23 24 26 25 23 21  
MIN/MAX RH 98 44 96 37 94  
RH 21 27 62 84 88 96 68 44 62 64 69 81 84 92 81 43 37 47 72 81 85 92  
WIND DIR NW NW E E E E E SE E E E E E E E SE SE SE E SE SE SE  
WIND SPD 8 8 5 3 4 6 4 4 6 10 6 6 5 5 5 6 10 10 6 5 4 4  
CLOUDS FW SC SC SC BK OV OV OV OV BK BK BK BK BK SC BK BK BK BK BK SC BK  
CLOUDS (%) 25 42 52 63 92 97100100 97 91 89 89 90 85 68 73 78 83 78 74 70 72  
POP 12HR 30 70 80 50 50  
RAIN C  
SNOW D D D D C C C C C C C C  
SNOWSHWRS IS IS SC SC SC NM NM  
TSTMS IS IS IS IS  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 1 1 1  
HAINES 4 3 2 2 2 2 2 3 2 2 2 2 2 2 2 3 3 2 2 2 3 3  
15K WIND DIR W SW SW W W W W W SW SW SW S SW SW SW SW SW SW SW SW SW SW  
15K WIND SPD 25 25 31 35 35 34 34 25 23 29 16 25 33 31 27 27 17 29 39 34 39 34  
MIX HGT 8 6 1 1 1 <1 2 5 4 1 1 <1 <1 <1 2 6 4 2 <1 <1 <1 <1  
TRANSWND DIR W W S E SE SE E SW SE E E E E E SE S SE E E SE SE SE  
TRANSWND SPD 20 9 5 8 8 6 9 5 11 9 9 6 5 8 5 10 11 11 10 9 6 5  
SMOKE DISP VG FR PR PR PR PR PR PR PR PR PR PR PR PR PR FR PR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 44 19 37 14 40 13 45 19 47  
TEMP 39 40 26 21 29 34 23 17 31 36 22 15 35 42 26 21 39 44  
DEWPT 22 24 23 20 20 19 20 15 15 17 17 13 17 19 20 17 21 23  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS SC BK BK BK BK BK BK BK BK SC SC FW FW SC FW FW FW SC  
POP 12HR 80 70 80 50 40 20 30 10 30  
SNOW C D L C L D C S C C S S C C  
TSTMS IS IS IS  
 

 
 
COZ213-131100-  
DRY GULCH CO (RAWS)  
39.93N 106.55W ELEV. 7693 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 29 53 30 57 31  
TEMP 55 51 37 31 30 29 37 51 52 46 38 34 32 30 39 53 57 50 41 36 34 31  
DEWPT 11 12 15 18 20 21 22 23 27 30 28 26 25 25 27 26 24 25 26 25 24 24  
MIN/MAX RH 73 34 81 28 74  
RH 17 20 40 58 66 72 54 33 38 53 67 72 75 81 62 35 28 37 55 64 66 75  
WIND DIR NW NW N NE NE NE NE SW SW E E E E E E SW SW S E SE SE SE  
WIND SPD 9 10 8 4 3 5 3 4 6 5 6 6 6 5 5 6 10 9 5 5 4 4  
WIND GUST 16 17  
CLOUDS FW FW SC SC BK OV OV OV BK BK BK BK BK BK SC SC SC BK BK BK BK SC  
CLOUDS (%) 19 26 44 62 93 95100100 94 83 89 88 87 80 64 67 70 73 77 75 71 70  
POP 12HR 30 60 80 40 40  
RAIN D D C C C C S  
RAIN SHWRS SC NM  
SNOW D L L S S S S C  
SNOWSHWRS IS IS SC SC  
TSTMS IS IS IS IS  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 1 1 1  
HAINES 4 4 2 2 2 2 2 3 3 3 2 2 2 2 2 3 4 4 3 3 3 3  
15K WIND DIR W SW SW W W W W SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW  
15K WIND SPD 25 25 33 36 35 35 34 26 36 32 23 35 29 33 32 36 31 40 41 36 42 41  
MIX HGT 7 4 1 <1 <1 <1 1 5 5 3 1 1 <1 <1 2 3 6 2 <1 <1 <1 <1  
TRANSWND DIR W W NE NE NE NE E SW SW SW E E NE E SE SW SW SE SE E E E  
TRANSWND SPD 18 8 6 12 12 10 8 6 12 6 13 14 9 6 5 5 11 6 6 5 5 4  
SMOKE DISP VG PR PR PR PR PR PR PR FR PR PR PR PR PR PR PR FR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 51 29 47 24 48 24 53 27 55  
TEMP 50 44 33 29 42 41 31 26 42 43 30 25 47 48 33 28 50 50  
DEWPT 24 24 25 24 22 22 21 18 18 18 19 17 20 19 20 20 22 23  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS BK BK BK BK BK BK BK SC SC SC SC FW FW SC FW FW FW SC  
POP 12HR 70 50 70 40 40 20 20 10 20  
RAIN C L C S S  
SNOW C C C C L C S S C S  
TSTMS IS IS IS IS  
 

 
 
COZ213-131100-  
GUNSIGHT CO (RAWS)  
40.21N 106.33W ELEV. 8420 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 22 43 25 49 26  
TEMP 46 42 28 23 23 22 29 41 43 38 32 29 27 25 32 44 49 43 35 32 29 26  
DEWPT 8 9 13 16 16 18 19 21 26 27 24 23 21 22 22 25 23 24 25 24 23 22  
MIN/MAX RH 85 44 88 35 83  
RH 21 25 53 74 74 84 66 44 51 64 72 78 78 88 66 47 36 47 66 72 78 85  
WIND DIR NW NW N NE E E E S S E E E E E SE S S SE SE SE SE SE  
WIND SPD 11 12 8 3 3 5 5 5 2 8 9 10 10 8 6 9 10 12 8 8 6 5  
WIND GUST 14  
CLOUDS FW FW SC SC BK OV OV OV OV BK BK BK BK BK SC SC BK BK BK BK BK BK  
CLOUDS (%) 21 29 45 61 87 97100100 96 88 90 91 89 81 63 70 75 71 77 73 71 71  
POP 12HR 30 70 80 40 40  
RAIN C C  
SNOW D D L L S S C C C C C C  
SNOWSHWRS IS SC SC SC NM NM  
TSTMS IS IS IS IS  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 1 1 1  
HAINES 4 3 2 2 2 2 2 3 3 2 2 2 2 2 2 3 3 2 3 3 3 3  
15K WIND DIR W SW W W W W W SW SW SW SW SW W SW SW SW SW SW SW SW SW SW  
15K WIND SPD 23 28 33 34 34 34 29 25 27 28 20 23 31 29 31 34 28 40 43 37 42 40  
MIX HGT 6 4 <1 <1 <1 <1 1 4 4 2 1 1 <1 <1 2 4 6 2 <1 <1 <1 <1  
TRANSWND DIR W NW NE NE E S E SW S E E E E E SE S S SE SE SE SE SE  
TRANSWND SPD 19 11 4 6 4 4 4 4 11 4 16 16 12 8 6 8 10 11 10 8 6 5  
SMOKE DISP GD PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR FR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 44 24 39 19 40 18 46 23 48  
TEMP 43 39 28 24 33 35 25 19 33 37 25 19 38 42 28 24 41 45  
DEWPT 22 23 24 21 19 19 18 14 16 15 17 14 17 17 19 18 21 21  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS SC BK BK BK BK BK BK SC SC SC SC FW FW SC FW FW FW SC  
POP 12HR 80 60 70 40 40 20 20 10 20  
RAIN S  
SNOW C D L C L L C S S C S S S  
TSTMS IS IS IS  
 

 
 
COZ213-131100-  
HARBISON MEADOW CO (RAWS)  
40.27N 105.84W ELEV. 8500 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 13 41 18 47 20  
TEMP 46 40 20 16 15 13 22 38 40 32 26 22 20 18 26 44 46 40 28 24 23 20  
DEWPT 10 13 14 15 14 13 17 21 24 22 19 19 17 18 20 22 22 21 23 22 20 19  
MIN/MAX RH 100 46 100 37 98  
RH 23 33 77 96 96100 81 50 52 66 74 88 88100 78 41 38 46 81 92 88 96  
WIND DIR NW N NE E E E SE SE E E E E E E SE SE SE SE SE SE SE S  
WIND SPD 6 5 4 3 4 5 4 4 5 6 5 5 5 5 4 5 9 6 5 5 3 4  
CLOUDS FW SC SC SC BK OV OV OV OV BK BK BK BK BK SC BK BK BK BK BK SC SC  
CLOUDS (%) 29 54 58 62 88 95100100 97 90 85 90 90 84 69 71 77 83 81 73 70 68  
POP 12HR 30 80 80 50 50  
RAIN C  
SNOW D D D D C C C C C C C C C  
SNOWSHWRS IS IS SC SC SC SC NM NM  
TSTMS IS IS IS IS  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 1 1 1  
HAINES 4 3 2 2 2 2 2 3 2 2 2 2 2 2 2 3 2 2 2 2 2 2  
15K WIND DIR W W SW SW W W W W SW SW SW S SW SW SW SW SW SW SW SW SW SW  
15K WIND SPD 23 25 29 34 35 35 29 26 21 28 11 24 28 27 27 29 19 28 37 37 39 35  
MIX HGT 7 3 1 <1 1 <1 1 3 2 1 <1 <1 <1 <1 1 5 5 2 <1 <1 <1 <1  
TRANSWND DIR W W E E E E E SW SE E E E E SE SE SW S SE SE SE E SE  
TRANSWND SPD 19 6 6 10 11 5 3 4 4 9 10 14 13 8 5 10 8 10 10 8 5 6  
SMOKE DISP VG PR PR PR PR PR PR PR PR PR PR PR PR PR PR FR PR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 44 16 38 11 40 11 46 16 47  
TEMP 42 38 24 20 32 33 20 14 34 35 19 14 39 41 24 20 41 43  
DEWPT 22 22 21 17 19 17 17 12 15 15 14 10 17 17 17 15 21 21  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS SC BK BK BK BK BK BK SC SC SC SC FW FW SC FW FW FW SC  
POP 12HR 80 70 80 50 40 20 30 10 30  
SNOW C D L C L D C S C C S C S C  
TSTMS IS IS IS  
 

 
 
COZ214-131100-  
WILKERSON PASS CO (METAR)  
39.05N 105.51W ELEV. 11260 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 21 34 22 38 27  
TEMP 42 35 27 24 23 21 22 29 34 30 26 24 23 22 27 34 38 34 30 29 28 27  
DEWPT 10 13 15 15 17 16 16 18 21 22 20 20 19 18 20 21 21 21 21 22 22 21  
MIN/MAX RH 82 56 88 49 79  
RH 26 40 60 68 77 81 77 63 58 72 78 84 84 84 74 58 50 58 69 75 78 78  
WIND DIR S E E SE SE S S S S SE E E E SE S S S SE SE S S SW  
WIND SPD 5 9 10 6 6 9 9 9 9 10 10 10 8 6 8 9 10 11 10 10 10 9  
WIND GUST 20 20 19 20  
CLOUDS FW SC BK OV OV OV OV OV OV BK OV BK OV BK BK BK BK BK BK BK BK BK  
CLOUDS (%) 29 45 71 97100 97100100 98 93 97 94 95 94 89 77 79 74 87 87 90 82  
POP 12HR 60 70 80 30 30  
SNOW D D L L C C C C S S C  
SNOWSHWRS IS SC NM NM NM NM NM  
TSTMS IS IS IS IS  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 1 1 1  
HAINES 5 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 3 2 2 2 2  
15K WIND DIR W W SW W SW SW W W W SW SW SW SW SW SW SW SW SW SW SW SW SW  
15K WIND SPD 27 26 31 37 40 37 29 31 31 34 29 42 39 40 35 34 36 48 42 35 36 34  
MIX HGT 5 3 2 1 2 1 2 3 4 2 1 1 <1 1 2 4 4 2 2 2 2 1  
TRANSWND DIR W E E E S S S S S SE E E SE E S S S SE SE S SW SW  
TRANSWND SPD 16 16 14 8 10 13 14 10 14 13 13 10 5 4 6 11 14 10 9 10 10 9  
SMOKE DISP GD FR PR PR PR PR PR PR FR PR PR PR PR PR PR PR FR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 40 22 31 20 32 19 40 24 42  
TEMP 38 36 24 22 28 26 22 20 28 29 22 21 36 37 27 25 39 37  
DEWPT 19 19 17 16 15 15 15 14 13 14 14 11 12 14 14 13 15 15  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS SC BK BK SC BK BK BK BK BK SC SC SC SC SC SC FW FW SC  
POP 12HR 60 50 70 60 50 30 30 20 30  
SNOW C L C C C L L C C C C S C S C  
TSTMS IS IS IS  
 

 
 
COZ214-131100-  
LAKE GEORGE CO (RAWS)  
38.98N 105.35W ELEV. 8094 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 23 44 25 48 30  
TEMP 50 42 31 27 26 23 26 35 44 40 32 28 26 25 31 42 48 44 36 33 31 30  
DEWPT 13 15 16 17 18 18 17 19 21 23 24 23 22 22 23 22 22 22 24 26 25 24  
MIN/MAX RH 81 40 88 36 80  
RH 22 33 53 65 71 81 68 52 39 50 72 81 85 88 72 44 35 41 61 75 78 78  
WIND DIR E E E E SE SE S S S SE E E E E S S S SE SE S S S  
WIND SPD 5 9 8 4 5 5 8 10 11 9 5 5 4 3 4 10 11 11 6 6 5 6  
WIND GUST 21  
CLOUDS FW SC BK OV OV OV OV OV OV OV OV OV OV BK BK SC BK BK BK BK BK BK  
CLOUDS (%) 30 46 72 97 99 95100100 98 95 97 95 95 90 81 70 71 80 83 86 88 80  
POP 12HR 50 60 80 30 40  
RAIN C C  
SNOW D D L L C C C S S C  
SNOWSHWRS IS SC SC SC SC SC NM  
TSTMS IS IS  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 1 1 1  
HAINES 5 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 2 2 2 2 2  
15K WIND DIR W W W W SW SW W W SW SW SW SW SW SW SW SW SW SW SW SW SW SW  
15K WIND SPD 27 25 32 37 40 39 31 28 32 39 29 44 37 40 36 36 36 50 44 36 37 33  
MIX HGT 6 4 2 2 2 2 2 3 3 2 1 1 <1 1 2 4 5 2 2 2 1 1  
TRANSWND DIR W E E NE SE S S S S SE E E NE SE S S S SE SE S SW SW  
TRANSWND SPD 9 13 13 8 8 14 17 14 14 6 8 9 6 3 5 11 12 10 9 10 11 11  
SMOKE DISP FR FR PR PR PR PR PR PR FR PR PR PR PR PR PR PR FR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 50 24 40 21 41 19 50 24 53  
TEMP 48 45 29 25 36 35 26 22 37 38 25 21 44 47 31 27 48 47  
DEWPT 22 21 22 20 17 16 20 17 15 15 18 15 16 16 19 17 18 18  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS SC BK BK SC BK BK BK BK BK SC SC SC SC SC SC FW FW SC  
POP 12HR 60 60 70 70 50 30 30 20 30  
RAIN L L C S C  
SNOW C L C C L L C C C C S C S S  
TSTMS IS IS IS  
 

 
 
COZ215-131100-  
SUGARLOAF CO (RAWS)  
40.02N 105.36W ELEV. 6733 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 25 40 30 42 33  
TEMP 40 39 33 30 27 25 27 33 39 37 35 33 32 30 38 39 42 41 37 34 34 34  
DEWPT 17 18 19 20 21 20 20 22 23 25 25 25 24 24 24 26 26 26 26 26 25 24  
MIN/MAX RH 81 51 78 52 71  
RH 39 42 56 66 78 81 74 63 52 61 66 72 72 78 57 59 53 55 64 72 69 66  
WIND DIR NE NE NE NE NE NE E E NE NE NE NE NE NE E E E E E E NE NW  
WIND SPD 6 6 5 3 4 5 5 6 5 4 4 2 3 4 5 5 5 5 4 3 2 3  
CLOUDS BK BK BK OV OV OV OV OV OV BK OV OV OV OV BK BK BK BK OV OV BK BK  
CLOUDS (%) 80 78 89100100 98100100 97 92 97 97 95 96 93 88 88 89 95 95 91 86  
POP 12HR 60 70 80 40 50  
RAIN C  
SNOW D D L L C C C C C C C C C  
SNOWSHWRS IS IS SC NM SC SC NM NM  
TSTMS IS IS IS IS  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 1 1 1  
HAINES 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  
15K WIND DIR W W SW SW W W W W SW SW SW S SW SW SW SW SW SW SW SW SW SW  
15K WIND SPD 39 32 33 35 34 32 35 28 23 21 19 26 37 28 23 26 26 34 37 28 33 32  
MIX HGT 4 4 2 2 2 2 2 3 3 2 1 1 <1 2 2 2 2 1 1 1 <1 <1  
TRANSWND DIR NE NE NE SE E E E E SE E NE N NE NE E E SE E NE SE S NW  
TRANSWND SPD 4 4 3 3 3 3 4 3 3 3 2 3 3 5 4 5 6 5 5 5 3 4  
SMOKE DISP PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 46 30 39 25 42 27 51 33 53  
TEMP 46 40 33 32 37 35 30 28 38 39 30 30 46 47 37 35 49 46  
DEWPT 30 28 25 23 25 23 21 18 22 21 18 17 25 24 22 21 28 27  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS BK BK BK BK BK BK BK BK SC SC SC FW FW SC SC FW FW SC  
POP 12HR 80 80 80 60 40 30 30 10 30  
RAIN C D D C S C  
SNOW C D D C L D L C C C C S  
TSTMS IS IS IS IS  
 

 
 
COZ215-131100-  
ESTES PARK CO (RAWS)  
40.37N 105.56W ELEV. 7892 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 19 38 25 42 27  
TEMP 40 36 26 24 21 19 23 35 37 35 29 28 27 25 32 40 42 40 31 29 29 28  
DEWPT 14 16 16 16 15 15 15 18 19 20 20 19 18 17 19 20 21 20 22 22 21 20  
MIN/MAX RH 82 46 74 42 78  
RH 34 43 65 71 77 84 71 49 48 54 69 68 68 71 58 44 43 44 69 75 72 71  
WIND DIR NE NE E SE E E SE SE E E E E E E SE SE SE SE SE SE S SW  
WIND SPD 6 5 4 3 3 5 6 9 9 8 4 5 5 6 6 10 10 9 5 5 5 5  
CLOUDS BK BK BK BK OV BK OV OV OV BK BK BK BK BK BK BK BK BK BK BK BK BK  
CLOUDS (%) 78 84 88 93 97 94100100 97 92 94 91 93 91 85 75 78 89 90 84 84 76  
POP 12HR 50 70 80 50 60  
SNOW D D D D C C C C L L C C C  
SNOWSHWRS IS SC SC SC NM NM NM NM  
TSTMS IS IS IS IS  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 1 1 1  
HAINES 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  
15K WIND DIR W W SW W W W W W SW SW SW S SW SW SW SW SW SW SW SW SW SW  
15K WIND SPD 31 28 32 36 35 35 29 26 20 25 14 25 29 24 25 27 20 26 39 35 37 35  
MIX HGT 3 2 1 1 2 1 2 2 2 1 <1 1 <1 1 2 2 3 2 <1 <1 <1 <1  
TRANSWND DIR E E E SE SE SE SE SE SE E SE E SE SE SE SE SE SE SE SE S SW  
TRANSWND SPD 4 4 3 4 5 4 4 4 4 3 4 5 4 8 5 8 6 9 9 6 4 5  
SMOKE DISP PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 44 25 38 19 40 20 48 27 49  
TEMP 44 40 29 28 35 35 26 23 37 38 26 24 44 45 32 31 46 45  
DEWPT 23 22 20 18 18 18 16 11 15 16 13 10 18 19 17 16 21 21  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS BK BK BK BK BK BK BK SC SC SC SC FW FW SC FW FW FW SC  
POP 12HR 80 80 70 50 40 20 30 10 30  
RAIN C C  
SNOW C D D L L L C C C C S C S C  
TSTMS IS IS IS  
 

 
 
COZ215-131100-  
REDFEATHER CO (RAWS)  
40.80N 105.57W ELEV. 8214 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 17 34 22 36 25  
TEMP 35 33 28 24 20 17 21 28 33 32 28 25 24 22 27 33 36 35 30 29 27 25  
DEWPT 16 17 17 16 15 13 15 17 18 20 20 19 19 17 19 22 23 23 23 22 22 21  
MIN/MAX RH 88 53 83 58 83  
RH 45 51 63 71 81 84 77 63 53 61 71 78 81 81 71 63 59 61 75 75 81 84  
WIND DIR NE NE E E E E SE SE E E E E SE SE SE SE SE SE SE SE SE SE  
WIND SPD 9 6 5 8 8 9 10 11 12 10 9 10 10 11 11 12 13 12 11 11 10 9  
CLOUDS BK BK BK BK BK BK OV OV OV BK BK BK OV BK BK BK BK BK BK BK BK BK  
CLOUDS (%) 85 88 87 87 88 91100100 96 89 92 93 95 92 86 79 83 89 90 88 87 80  
POP 12HR 50 70 80 40 60  
SNOW D D D D C C C C L L C C C  
SNOWSHWRS IS SC SC SC SC SC SC SC SC  
TSTMS IS IS IS IS  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 1 1 1  
HAINES 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3  
15K WIND DIR W W W W W W W W SW SW SW S SW W SW SW SW SW SW SW SW SW  
15K WIND SPD 35 35 36 40 35 33 32 26 21 14 11 17 23 27 20 25 26 23 39 36 39 34  
MIX HGT 4 3 2 2 2 2 2 3 3 2 1 1 1 1 2 2 2 2 1 1 1 <1  
TRANSWND DIR NE NE E SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE  
TRANSWND SPD 4 4 4 9 11 6 11 12 11 11 11 18 18 13 13 12 14 17 18 17 12 10  
SMOKE DISP PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 39 24 34 19 37 20 46 26 47  
TEMP 38 35 27 25 30 30 23 21 32 33 23 23 40 41 31 30 43 41  
DEWPT 26 25 21 20 21 20 17 12 19 18 14 11 21 22 17 18 25 24  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS BK BK BK BK BK BK BK SC SC SC FW FW FW SC FW FW FW SC  
POP 12HR 80 80 70 40 30 20 20 10 20  
SNOW C D D L L L C S S C S S S  
TSTMS IS IS IS  
 

 
 
COZ215-131100-  
ROARING CREEK CO (RAWS)  
40.72N 105.74W ELEV. 8165 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 15 31 20 36 23  
TEMP 33 29 22 20 16 15 20 30 30 26 22 21 21 20 27 35 35 30 26 23 24 23  
DEWPT 14 15 15 14 12 11 13 16 18 18 16 15 15 14 17 20 21 21 19 18 18 17  
MIN/MAX RH 88 55 81 53 81  
RH 45 55 74 77 84 84 74 55 60 71 77 77 77 77 65 54 56 69 74 81 77 77  
WIND DIR NE NE E E E E SE E E E E E E SE SE SE SE SE SE SE SE S  
WIND SPD 6 8 5 8 8 8 8 9 10 10 10 11 11 11 9 10 11 12 11 11 9 9  
WIND GUST 20  
CLOUDS SC BK BK BK BK BK OV OV OV BK BK BK BK BK BK BK BK BK BK BK BK SC  
CLOUDS (%) 68 84 82 81 86 91100100 96 88 87 93 88 86 75 72 77 84 80 77 72 67  
POP 12HR 40 70 80 50 60  
SNOW D D D D C C C C L L C C C  
SNOWSHWRS IS SC SC SC SC SC SC NM NM  
TSTMS IS IS IS IS  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 1 1 1  
HAINES 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3  
15K WIND DIR W SW SW W W W W W SW SW W S W W SW SW SW SW SW SW SW SW  
15K WIND SPD 31 33 36 37 33 33 32 26 21 14 13 17 23 28 21 28 23 27 41 36 39 35  
MIX HGT 3 2 1 1 1 1 1 2 2 2 1 1 1 1 2 2 2 2 1 <1 <1 <1  
TRANSWND DIR NW E E E E E E E E E E E E SE SE SE E E SE SE SE SE  
TRANSWND SPD 9 6 9 10 14 12 12 12 13 13 16 18 18 12 10 10 10 14 16 11 10 9  
SMOKE DISP PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 37 20 30 16 33 16 40 23 42  
TEMP 37 30 22 21 29 26 19 16 30 29 18 18 38 36 25 25 40 37  
DEWPT 21 21 17 15 16 17 12 9 13 15 10 8 15 17 13 14 19 20  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS SC BK BK BK BK BK BK SC SC SC SC FW FW SC FW FW FW SC  
POP 12HR 80 70 70 50 40 20 20 10 30  
SNOW C D L L L L C S S C S S S C  
TSTMS IS IS IS  
 

 
 
COZ215-131100-  
REDSTONE CO (RAWS)  
40.57N 105.23W ELEV. 6160 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 23 42 28 42 31  
TEMP 42 42 36 33 28 23 26 34 41 38 33 32 29 28 32 38 42 41 34 34 32 32  
DEWPT 17 17 18 17 18 17 18 19 20 23 23 25 25 24 23 25 26 26 26 26 26 26  
MIN/MAX RH 78 43 88 52 82  
RH 36 36 47 51 66 77 71 54 42 54 66 75 85 85 69 59 53 55 72 72 78 78  
WIND DIR NE NE NE E NE E SE SE E E E E E E E SE SE E SE SE SE SE  
WIND SPD 8 8 5 5 6 6 9 10 8 6 5 5 6 9 10 10 9 9 8 8 6 6  
CLOUDS BK BK BK OV OV OV OV OV OV BK OV BK OV OV BK BK BK BK BK BK BK BK  
CLOUDS (%) 83 81 88 96 97 96100100 96 89 96 94 96 95 92 88 87 88 94 92 93 91  
POP 12HR 40 60 70 40 50  
SNOW L L L L C C C C C C C C C  
SNOWSHWRS SC SC SC SC SC SC  
TSTMS IS IS  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 1 1 1  
HAINES 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  
15K WIND DIR W W W W W W W W W SW SW S SW W SW SW SW SW SW SW SW SW  
15K WIND SPD 37 34 35 39 36 34 32 24 17 17 12 21 29 21 19 23 21 24 39 35 36 35  
MIX HGT 5 4 3 3 3 2 3 4 4 2 2 1 1 2 2 2 2 1 <1 <1 1 1  
TRANSWND DIR NE N NE E E E SE S SE E E E E SE SE SE SE SE SE SE SE SE  
TRANSWND SPD 4 4 3 3 8 4 8 10 5 3 3 5 10 9 10 9 9 10 10 11 10 6  
SMOKE DISP PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 45 28 41 24 44 25 52 31 54  
TEMP 44 41 32 31 38 37 29 27 41 40 30 28 47 48 36 33 50 48  
DEWPT 30 28 26 25 25 24 21 18 22 22 19 17 25 26 23 22 28 26  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS BK BK BK BK BK BK BK SC SC SC SC FW FW SC FW FW FW SC  
POP 12HR 80 80 60 40 30 20 20 10 20  
RAIN D D S S  
SNOW C D D L L L C S S C S  
TSTMS IS IS IS  
 

 
 
COZ216-131100-  
BAILEY CO (RAWS)  
39.38N 105.34W ELEV. 7982 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 23 43 25 46 30  
TEMP 47 42 32 27 25 23 30 39 43 38 32 29 27 25 36 44 46 40 35 34 32 31  
DEWPT 15 16 19 19 20 20 20 21 23 25 24 24 23 22 24 23 24 23 24 25 25 23  
MIN/MAX RH 87 42 87 41 76  
RH 27 34 58 71 81 88 66 48 45 59 72 81 85 88 61 43 42 50 64 69 75 72  
WIND DIR E NE E E E E E E E E E E E SE SE SE E E SE S S SW  
WIND SPD 9 8 5 3 3 4 4 6 8 6 3 2 2 2 3 6 8 6 3 3 2 3  
CLOUDS SC SC BK OV OV OV OV OV OV OV OV OV BK BK BK BK BK BK BK BK BK BK  
CLOUDS (%) 36 50 75100100100100100 99 97 97 96 92 92 86 84 88 93 90 87 85 79  
POP 12HR 60 70 80 40 40  
RAIN C C  
SNOW D D D D S S C C C C C C C  
SNOWSHWRS IS SC SC NM NM NM NM NM  
TSTMS IS IS IS IS  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 1 1 1  
HAINES 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  
15K WIND DIR W W SW W SW SW W W W SW SW SW SW SW SW SW SW SW SW SW SW SW  
15K WIND SPD 32 27 28 37 40 39 35 32 34 29 27 39 41 36 35 33 43 47 42 35 34 33  
MIX HGT 4 4 3 2 1 1 2 3 3 3 1 <1 <1 <1 2 3 2 2 1 1 <1 <1  
TRANSWND DIR NE NE NE E SE SE SE E E E E E SE E S S SE E SE S SW SW  
TRANSWND SPD 5 5 5 3 3 3 4 8 8 4 5 3 2 3 4 6 8 5 5 5 5 4  
SMOKE DISP PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 49 25 39 22 42 21 51 27 53  
TEMP 48 40 31 27 37 33 27 24 38 36 27 23 46 44 33 29 50 45  
DEWPT 25 24 24 21 20 19 20 17 18 17 17 13 20 20 20 17 22 21  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS SC BK BK BK BK BK BK BK BK SC SC SC FW SC SC FW FW SC  
POP 12HR 70 70 80 70 50 30 30 20 30  
RAIN C L L C S C  
SNOW C L L C L D L C C C C S S S  
TSTMS IS IS IS  
 

 
 
COZ216-131100-  
CORRAL CREEK CO (RAWS)  
39.64N 105.47W ELEV. 8081 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 20 41 23 44 26  
TEMP 43 38 27 23 22 20 25 35 41 37 29 26 25 23 33 43 43 40 33 30 28 26  
DEWPT 14 16 18 19 19 19 19 21 23 24 22 21 21 20 23 24 25 25 24 23 23 20  
MIN/MAX RH 94 47 88 46 83  
RH 30 40 68 84 88 96 78 56 48 59 75 81 84 88 66 47 49 55 69 75 81 78  
WIND DIR E E E SE SE SE SE E E E E E SE SE SE SE E E SE S SW SW  
WIND SPD 8 6 4 4 4 5 6 9 9 6 3 3 3 4 5 10 9 8 4 4 3 4  
CLOUDS SC BK BK OV OV OV OV OV OV BK OV OV BK BK BK BK BK BK OV BK BK BK  
CLOUDS (%) 59 77 87 98100100100100 98 94 96 95 89 91 87 82 92 92 95 87 82 78  
POP 12HR 70 80 90 50 50  
SNOW D D D D C C C C C C C C C  
SNOWSHWRS IS SC SC NM NM NM NM NM  
TSTMS IS IS IS IS  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 1 1 1  
HAINES 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  
15K WIND DIR W W SW W SW W W W W SW S S SW SW SW SW SW SW SW SW SW SW  
15K WIND SPD 32 27 25 35 36 34 33 28 29 26 23 36 36 29 28 31 34 36 40 35 31 32  
MIX HGT 3 3 2 1 1 1 2 2 3 2 1 <1 <1 1 2 2 2 2 <1 <1 <1 <1  
TRANSWND DIR E E E SE SE SE SE E SE E SE E SE S SE SE SE E SE S S SW  
TRANSWND SPD 5 5 4 8 4 3 6 5 6 3 4 3 3 4 5 8 6 4 5 5 5 5  
SMOKE DISP PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 47 22 38 19 40 19 49 24 50  
TEMP 47 39 27 24 35 33 24 21 37 35 23 21 44 43 29 26 47 44  
DEWPT 26 25 21 19 20 20 17 15 18 19 15 11 20 21 17 15 22 23  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS SC BK BK BK BK BK BK BK BK SC SC SC FW SC SC FW FW SC  
POP 12HR 80 70 80 70 50 30 30 20 30  
RAIN D C C  
SNOW C D L C L D L C C C C S C S S  
TSTMS IS IS IS IS  
 

 
 
COZ216-131100-  
CHEESMAN CO (RAWS)  
39.18N 105.27W ELEV. 7546 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 27 47 30 50 33  
TEMP 46 41 33 29 28 27 32 41 47 42 37 34 31 30 35 46 50 46 39 37 34 33  
DEWPT 16 17 18 19 21 20 20 20 23 26 25 25 24 24 24 23 25 24 25 26 27 26  
MIN/MAX RH 77 38 78 36 77  
RH 29 37 53 66 75 74 61 42 38 53 61 69 75 78 64 40 37 42 57 64 75 75  
WIND DIR NE NE NE NE E SE S S SE E NE E E E SE SE SE SE SE SE S S  
WIND SPD 10 9 8 4 3 4 5 8 9 10 6 5 4 3 4 9 11 11 6 6 5 6  
WIND GUST 18  
CLOUDS FW SC SC OV OV BK OV OV OV BK OV OV OV BK BK BK BK BK BK BK BK BK  
CLOUDS (%) 29 43 70 98100 94100100 98 94 96 96 95 91 85 74 82 82 87 91 90 78  
POP 12HR 60 70 80 30 40  
RAIN D C C C C C  
RAIN SHWRS SC  
SNOW D D L L S S C C C C C C  
SNOWSHWRS IS SC NM NM NM SC SC  
TSTMS IS IS  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 1 1 1  
HAINES 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  
15K WIND DIR W W SW W SW SW W W SW SW SW SW SW SW SW SW SW SW SW SW SW SW  
15K WIND SPD 31 28 33 39 41 40 32 32 35 34 29 42 39 40 35 35 42 50 46 36 37 34  
MIX HGT 4 4 2 2 1 1 2 3 4 3 1 1 <1 1 2 4 4 3 1 2 1 1  
TRANSWND DIR NE NE NE NE W SE S S NE SE NE NE NE NE S S S SE SE S SW SW  
TRANSWND SPD 9 11 11 3 2 4 11 11 10 5 6 3 3 3 4 8 10 10 6 6 9 9  
SMOKE DISP PR FR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 52 29 42 24 44 24 53 30 55  
TEMP 50 47 35 31 38 39 32 28 40 41 32 27 48 50 37 33 52 51  
DEWPT 24 24 25 23 19 19 21 18 17 18 19 16 19 19 21 19 21 22  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS SC BK BK BK BK BK BK BK BK SC SC SC FW SC FW FW FW SC  
POP 12HR 70 60 70 60 50 30 30 20 30  
RAIN C L L C S S C  
SNOW C L C C L L C C C C S S S  
TSTMS IS IS IS  
 

 
 
COZ216-131100-  
CARPENTER PEAK CO (RAWS)  
39.42N 105.08W ELEV. 7067 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 27 44 30 46 34  
TEMP 45 43 35 31 29 27 32 38 44 41 35 33 31 30 34 41 46 44 38 37 35 34  
DEWPT 17 18 20 21 22 23 22 23 25 25 26 27 27 27 26 28 28 28 26 28 29 28  
MIN/MAX RH 85 46 88 48 79  
RH 32 36 54 66 75 85 66 54 47 52 69 78 85 88 72 59 49 53 62 70 78 78  
WIND DIR NE NE NE NE E E SE E E NE N NE E E SE E E E SE SE S S  
WIND SPD 10 9 8 4 4 5 6 8 6 6 4 4 4 4 4 5 8 6 5 6 6 5  
WIND GUST 17  
CLOUDS SC SC BK OV OV OV OV OV OV OV OV OV OV BK BK BK BK BK BK BK BK BK  
CLOUDS (%) 37 56 78100100 97100100 98 95 95 98 95 92 88 82 84 89 87 89 84 73  
POP 12HR 60 70 80 30 40  
RAIN D C C C C C C C  
SNOW D D L L S S C C C C C C  
SNOWSHWRS IS SC NM SC SC SC SC  
TSTMS IS IS  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 1 1 1  
HAINES 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  
15K WIND DIR W W SW W SW W W W W SW SW SW SW SW SW SW SW SW SW SW SW SW  
15K WIND SPD 35 31 32 40 41 41 37 31 32 31 29 40 41 36 35 33 42 49 46 36 37 32  
MIX HGT 5 5 3 2 1 1 2 3 4 3 1 <1 <1 1 2 3 3 2 1 1 <1 <1  
TRANSWND DIR NE NE NE N E E SE SE E NE N W NE N SE SE NE N SE S S S  
TRANSWND SPD 9 11 9 2 3 3 5 9 9 6 6 3 3 3 3 6 9 5 4 9 6 5  
SMOKE DISP PR FR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 50 30 39 26 43 25 52 32 55  
TEMP 48 46 34 32 36 38 32 29 38 41 32 28 46 50 37 34 51 50  
DEWPT 31 29 28 27 26 23 24 22 23 21 20 18 25 24 24 22 28 25  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS SC BK BK BK BK BK BK BK BK SC SC SC FW SC SC FW FW SC  
POP 12HR 70 70 70 70 50 30 30 20 30  
RAIN C L L C S S C  
SNOW C L C L L L C C C C S S S S  
TSTMS IS IS IS  
 

 
 
COZ216-131100-  
DUMONT CO (RAWS)  
39.77N 105.60W ELEV. 7973 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 21 42 24 45 27  
TEMP 46 39 27 24 22 21 27 40 41 38 31 28 25 25 33 44 45 41 32 30 28 28  
DEWPT 14 16 17 18 18 18 18 20 23 23 22 21 20 20 21 21 23 25 26 24 24 21  
MIN/MAX RH 86 44 86 39 85  
RH 27 39 65 77 84 88 68 44 48 54 69 75 81 81 61 39 41 52 78 78 85 75  
WIND DIR E E E SE SE SE SE SE E E E E E SE SE SE SE SE SE S S SW  
WIND SPD 5 6 4 4 4 5 6 8 9 8 5 5 4 4 5 9 10 8 4 5 4 5  
CLOUDS SC BK BK OV OV OV OV OV OV BK OV BK BK BK BK BK BK BK BK BK BK BK  
CLOUDS (%) 46 80 88 95100 99100100 97 92 96 94 82 85 81 76 84 89 90 81 74 75  
POP 12HR 60 80 90 50 50  
RAIN C C  
SNOW D D D D C C C C C C C C C  
SNOWSHWRS IS SC SC NM NM NM NM NM  
TSTMS IS IS IS IS  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 1 1 1  
HAINES 3 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  
15K WIND DIR W W SW W SW W W W SW SW SW S SW SW SW SW SW SW SW SW SW SW  
15K WIND SPD 31 26 25 34 33 31 34 26 26 25 21 36 36 29 23 26 26 35 37 33 32 33  
MIX HGT 4 3 2 1 1 1 2 2 2 2 1 1 <1 1 2 2 3 2 <1 <1 <1 <1  
TRANSWND DIR W E SE SE SE SE SE SE SE E E E SE SE S SE SE E SE SE S SW  
TRANSWND SPD 8 4 5 5 5 4 5 5 4 4 5 5 4 4 5 6 10 8 5 5 6 5  
SMOKE DISP PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 48 24 39 19 41 19 49 25 51  
TEMP 47 41 29 27 37 35 26 24 38 38 25 24 45 45 31 29 48 46  
DEWPT 22 25 21 20 18 20 18 15 15 18 16 13 17 20 19 18 19 23  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS SC BK BK BK BK BK BK BK SC SC SC FW FW SC FW FW FW SC  
POP 12HR 80 70 80 70 50 30 30 20 30  
RAIN D C C  
SNOW C D L C L D L C C C C S C S S C  
TSTMS IS IS IS IS  
 

 
 
COZ216-131100-  
LOOKOUT MOUNTAIN CO (RAWS)  
39.72N 105.25W ELEV. 7504 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 25 39 29 41 32  
TEMP 42 41 34 30 28 25 26 32 39 37 35 32 30 30 34 38 41 39 35 34 33 32  
DEWPT 16 16 19 20 22 22 21 21 23 25 24 25 25 25 24 24 25 24 24 26 25 24  
MIN/MAX RH 88 52 83 50 75  
RH 34 36 54 66 78 88 81 63 52 61 64 75 81 81 66 57 52 54 64 72 72 72  
WIND DIR NE NE NE NE E NE NE E NE NE NE NE NE NE E E E E E SE S SW  
WIND SPD 9 9 6 3 4 5 5 8 8 6 4 4 4 4 4 6 8 6 5 4 4 3  
CLOUDS BK BK BK OV OV OV OV OV OV BK OV OV BK OV BK BK BK BK BK BK BK BK  
CLOUDS (%) 80 74 87100100100100100 98 94 96 97 93 95 90 87 87 91 94 91 83 79  
POP 12HR 70 70 80 40 50  
RAIN C  
SNOW D D D D C C C C C C C C C  
SNOWSHWRS IS SC NM SC SC SC SC  
TSTMS IS IS  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 1 1 1  
HAINES 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  
15K WIND DIR W W SW W SW W W W W SW SW S SW SW SW SW SW SW SW SW SW SW  
15K WIND SPD 34 32 28 37 36 34 35 27 29 28 24 34 36 28 29 31 35 39 40 33 32 32  
MIX HGT 5 5 3 2 2 1 2 3 3 2 2 1 <1 1 2 3 3 2 1 1 <1 <1  
TRANSWND DIR NE N NE E E E E NE E NE N N NE NE NE E E NE E SE SE S  
TRANSWND SPD 4 5 5 3 3 3 4 4 4 5 4 3 5 5 4 5 6 6 3 6 5 3  
SMOKE DISP PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 45 28 36 25 40 25 49 32 51  
TEMP 45 39 33 31 34 33 30 27 36 37 29 28 44 45 36 34 48 45  
DEWPT 27 26 25 24 23 21 21 18 19 19 18 16 22 23 22 20 25 23  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS BK BK BK BK BK BK BK BK BK SC SC FW FW SC SC FW FW SC  
POP 12HR 80 80 80 60 50 30 30 20 30  
RAIN D D C S S C  
SNOW C D D C L D L C C C C S C S S  
TSTMS IS IS IS IS  
 

 
 
COZ216-131100-  
PROHEMUS CO (RAWS)  
39.26N 105.13W ELEV. 8683 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 24 43 26 45 31  
TEMP 42 39 31 26 25 24 28 38 43 37 31 28 27 26 34 43 45 40 35 33 32 31  
DEWPT 16 17 17 18 20 20 18 20 22 24 23 23 22 22 23 24 26 25 23 23 24 24  
MIN/MAX RH 84 42 83 45 75  
RH 34 40 56 71 81 84 66 48 43 59 72 81 81 85 64 47 47 55 61 66 72 75  
WIND DIR NE NE NE E E SE SE SE SE E E E E E SE SE SE SE SE SE S S  
WIND SPD 10 9 8 4 4 5 5 8 8 8 6 5 5 4 4 8 10 10 8 9 8 6  
WIND GUST 18 19  
CLOUDS FW SC SC OV OV BK OV OV OV OV OV OV BK BK BK BK BK BK BK BK BK BK  
CLOUDS (%) 29 41 70 99100 94100100 98 95 96 96 92 90 84 77 85 88 85 85 82 74  
POP 12HR 70 70 80 30 40  
RAIN C C C C  
RAIN SHWRS SC  
SNOW D D D D S S C C C C C C C  
SNOWSHWRS IS SC NM NM NM SC SC  
TSTMS IS IS  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 1 1 1  
HAINES 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  
15K WIND DIR W W SW W SW SW W W W SW SW SW SW SW SW SW SW SW SW SW SW SW  
15K WIND SPD 35 31 33 40 41 42 35 32 35 34 29 42 40 39 35 35 43 49 46 37 39 34  
MIX HGT 4 3 2 1 1 1 2 3 3 3 1 1 1 <1 2 4 3 2 1 1 1 <1  
TRANSWND DIR NE NE NE N SE SE S SE SE E NE E SE SE S S SE SE SE S S S  
TRANSWND SPD 6 10 11 5 3 3 5 6 9 4 4 4 3 3 5 9 10 8 6 9 8 5  
SMOKE DISP PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 48 26 37 23 40 22 49 28 51  
TEMP 47 40 30 27 35 33 26 25 36 36 27 24 44 44 32 30 48 44  
DEWPT 26 25 24 21 21 20 19 17 19 18 16 13 21 20 19 17 23 22  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS SC BK BK BK BK BK BK BK BK SC SC SC FW SC SC FW FW SC  
POP 12HR 70 70 70 60 50 30 30 20 30  
RAIN L C C  
SNOW C L L C L L L C C C C S S C S S C  
TSTMS IS IS IS  
 

 
 
COZ218-131100-  
WILLOW CREEK CO (RAWS)  
40.35N 106.22W ELEV. 9750 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 22 40 24 46 26  
TEMP 41 37 26 22 22 22 28 38 40 33 27 25 25 24 32 44 45 37 29 28 27 27  
DEWPT 7 8 12 14 14 15 17 20 24 24 19 18 18 18 20 21 20 21 20 19 19 18  
MIN/MAX RH 75 47 78 35 72  
RH 24 29 55 71 71 74 63 48 52 69 71 74 74 77 61 39 36 52 69 68 71 68  
WIND DIR NW NW N SE SE SE SE S SW E SE SE SE SE SE S S SE SE SE SE S  
WIND SPD 10 11 6 5 5 8 8 6 3 5 10 11 11 11 10 10 10 10 10 10 10 9  
WIND GUST 18 20 19 20 20 23 23  
CLOUDS FW SC SC SC BK BK OV OV OV BK BK BK BK BK BK BK BK BK BK SC SC SC  
CLOUDS (%) 21 33 47 61 83 93100100 96 89 86 88 86 79 71 73 79 75 75 69 70 66  
POP 12HR 30 80 90 60 50  
RAIN C L  
SNOW D D D D C C L L C C C C C  
SNOWSHWRS IS IS SC SC SC SC NM NM  
TSTMS IS IS IS IS  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 1 1 1  
HAINES 4 3 2 2 2 2 2 3 2 2 2 2 2 2 2 3 4 2 2 2 3 3  
15K WIND DIR W SW W W W W W W SW SW SW SW W SW SW SW SW SW SW SW SW SW  
15K WIND SPD 24 29 35 33 33 35 31 23 21 24 16 23 28 27 28 33 26 40 44 39 42 36  
MIX HGT 6 3 <1 <1 <1 <1 1 4 4 1 <1 <1 <1 <1 2 5 7 2 <1 <1 <1 <1  
TRANSWND DIR W NW N E SE SE SE SW SW E SE SE S SE S SW S SE SE SE SE SE  
TRANSWND SPD 19 11 3 3 6 10 8 9 10 3 14 20 20 11 10 13 16 12 13 11 10 8  
SMOKE DISP GD PR PR PR PR PR PR PR PR PR PR PR PR PR PR FR GD PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 42 22 36 18 37 17 43 23 45  
TEMP 42 33 26 23 32 29 22 19 33 32 22 19 38 37 27 24 41 39  
DEWPT 18 18 19 17 15 15 13 11 13 12 12 9 13 14 14 14 17 17  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS SC BK BK BK BK BK SC SC SC SC SC FW FW SC FW FW FW SC  
POP 12HR 80 70 80 50 50 20 30 10 30  
SNOW C D L C L D C S C C S S C S C  
TSTMS IS IS IS IS  
 

 
 
COZ238-131100-  
FT COLLINS-LOVELAND MUNI CO (METAR)  
40.44N 105.01W ELEV. 5013 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 28 45 31 45 34  
TEMP 43 42 37 35 32 28 30 37 45 44 39 36 33 32 32 39 43 45 39 36 35 34  
DEWPT 18 18 18 18 18 19 20 21 22 23 26 29 30 29 28 29 28 29 30 30 32 31  
MIN/MAX RH 70 41 90 51 96  
RH 36 37 46 49 56 68 66 52 40 43 59 75 89 88 85 67 55 53 70 79 89 89  
WIND DIR NE NE NE NE NE E E SE E NE NE E E E E E E E E E E E  
WIND SPD 9 10 8 6 10 9 8 8 9 9 6 6 9 9 9 9 10 11 8 9 9 6  
WIND GUST 21 19  
CLOUDS BK BK BK BK OV OV OV OV OV BK BK OV OV OV OV BK BK BK BK OV OV BK  
CLOUDS (%) 82 79 86 94 96 97100100 97 91 94 97 96 96 97 92 91 90 92 96 95 92  
POP 12HR 20 50 70 30 50  
RAIN L C C C C C C  
SNOW L L L L C C C C C C C  
SNOWSHWRS IS IS SC SC SC SC  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1  
HAINES 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  
15K WIND DIR W W W W W W W W W SW SW S SW SW SW SW SW SW SW SW SW SW  
15K WIND SPD 43 39 39 40 39 36 32 24 17 18 16 23 32 23 20 19 21 26 40 32 32 29  
MIX HGT 6 5 2 2 3 2 3 5 5 4 2 2 1 2 2 3 3 1 1 <1 1 1  
TRANSWND DIR NE N N NE NE NE SE SE SE N NE E E E E E E E N SE SE SE  
TRANSWND SPD 4 6 6 2 9 4 5 5 4 5 6 9 13 10 10 9 11 10 11 10 10 10  
SMOKE DISP PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 48 31 43 26 47 26 57 31 57  
TEMP 44 44 34 31 38 40 31 27 41 44 31 27 48 53 37 33 51 53  
DEWPT 35 33 32 31 30 27 28 25 27 25 26 24 29 28 29 28 32 28  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS BK BK BK BK BK BK BK BK SC SC SC FW FW FW FW FW FW SC  
POP 12HR 70 80 60 40 30 20 20 10 20  
RAIN C L D L C C C S S S  
SNOW C D L L C C S S C S  
TSTMS IS IS IS IS  
 

 
 
COZ238-131100-  
BUCKEYE CO (RAWS)  
40.81N 105.04W ELEV. 5591 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 26 42 28 41 31  
TEMP 40 40 36 32 29 26 29 35 41 40 36 32 29 28 29 34 39 41 34 34 31 32  
DEWPT 17 17 17 16 15 15 17 18 19 21 25 26 26 25 24 24 26 27 28 28 29 28  
MIN/MAX RH 67 40 94 56 92  
RH 39 39 45 51 55 62 60 49 41 46 64 78 88 88 81 66 59 57 78 78 92 85  
WIND DIR NE NE NE NE NE E E SE SE E E E E E E SE SE E SE SE SE SE  
WIND SPD 10 9 8 9 9 8 9 11 11 11 8 9 10 10 11 16 16 14 11 11 11 10  
WIND GUST 20  
CLOUDS BK BK BK BK BK OV OV OV OV BK BK OV OV OV BK BK BK BK BK BK BK BK  
CLOUDS (%) 85 87 91 94 92 95100100 97 90 93 95 95 95 94 93 92 89 91 93 94 93  
POP 12HR 30 50 70 40 50  
RAIN C C  
SNOW L L L L C C C C C C C C C  
SNOWSHWRS IS SC SC SC SC SC  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1  
HAINES 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  
15K WIND DIR W W W W W W W W W SW SW S SW W SW SW SW SW SW SW SW SW  
15K WIND SPD 43 37 40 42 37 33 33 28 17 11 11 19 27 23 11 20 21 20 36 39 39 35  
MIX HGT 6 5 4 3 2 2 4 4 5 4 2 2 2 1 2 3 3 2 1 1 1 1  
TRANSWND DIR NE N NE NE NE NE E SE SE E E E E E SE SE SE E SE SE SE SE  
TRANSWND SPD 4 5 9 9 13 8 5 6 5 4 5 13 14 11 13 13 14 17 14 17 16 13  
SMOKE DISP PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 43 28 39 24 43 24 52 30 53  
TEMP 41 41 31 30 37 36 29 26 39 40 28 27 47 49 34 32 49 48  
DEWPT 31 30 29 28 27 26 25 22 24 24 22 20 26 27 26 25 29 27  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS BK BK BK BK BK BK SC SC SC SC FW FW FW FW FW FW FW SC  
POP 12HR 70 80 60 30 20 10 20 10 20  
RAIN C L D S S  
SNOW C L D L L C C S S S  
TSTMS IS IS IS  
 

 
 
COZ239-131100-  
BOULDER MUNI CO (METAR)  
40.04N 105.23W ELEV. 5292 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 28 43 32 46 35  
TEMP 43 43 36 33 31 29 29 36 43 42 38 36 34 32 36 41 45 44 40 38 37 35  
DEWPT 18 19 20 22 23 23 23 23 25 27 29 30 30 30 29 29 30 30 31 31 31 31  
MIN/MAX RH 81 49 94 53 85  
RH 36 38 52 63 72 78 78 59 49 55 70 79 85 92 75 62 55 57 70 76 79 85  
WIND DIR NE NE NE N N NE E E NE N N N NE NE NE NE NE NE E E NE N  
WIND SPD 6 8 5 3 4 5 5 5 6 6 4 2 2 3 4 5 6 5 3 3 2 2  
CLOUDS BK BK BK OV OV OV OV OV OV BK OV OV OV OV OV BK BK BK BK BK BK BK  
CLOUDS (%) 81 77 87 98100 98100100 98 93 96 97 97 96 95 89 87 88 93 94 91 87  
POP 12HR 50 60 70 40 40  
RAIN L L C C C C C C C  
SNOW L L L L S S C C C  
SNOWSHWRS SC SC SC SC SC SC  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1  
HAINES 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  
15K WIND DIR W W SW SW W W W W W SW SW S SW SW SW SW SW SW SW SW SW SW  
15K WIND SPD 41 34 34 37 35 33 34 27 20 23 20 25 37 29 24 27 29 33 40 27 32 29  
MIX HGT 6 5 2 2 2 2 3 4 4 3 1 2 1 1 2 3 3 1 1 1 1 <1  
TRANSWND DIR NE NE NE NE NE NE E SE E N NE N N NE NE NE NE NE E SE NE NE  
TRANSWND SPD 4 5 3 2 2 4 3 3 3 5 8 3 3 8 4 5 5 8 5 5 5 5  
SMOKE DISP PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 49 32 42 28 47 29 56 35 57  
TEMP 46 46 36 33 39 40 33 29 42 45 34 31 50 54 40 36 53 53  
DEWPT 33 32 32 31 29 27 27 26 25 24 24 24 27 26 27 28 30 28  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS BK BK BK BK BK BK BK BK SC SC SC FW FW SC FW FW FW SC  
POP 12HR 70 70 70 50 40 20 20 10 20  
RAIN C L L C L C C S S S  
SNOW C L C L L C C S C S  
TSTMS IS IS IS IS  
 

 
 
COZ239-131100-  
ROCKY MOUNTAIN METRO ARPT CO (METAR)  
39.90N 105.10W ELEV. 5558 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 29 44 33 46 36  
TEMP 42 42 36 33 31 29 30 36 43 43 39 37 35 33 36 43 46 45 40 38 37 36  
DEWPT 17 17 19 21 22 23 22 23 24 26 28 29 30 29 29 28 28 28 29 30 30 31  
MIN/MAX RH 78 47 85 49 85  
RH 36 36 50 61 69 78 72 59 47 51 64 72 82 85 75 55 49 51 64 73 75 82  
WIND DIR NE NE NE NE NE NE NE NE NE N N N NE NE NE NE NE NE E E E N  
WIND SPD 8 10 6 4 5 6 6 6 9 9 5 3 4 5 5 5 8 8 5 4 4 4  
CLOUDS BK BK BK OV OV OV OV OV OV BK OV OV OV BK BK BK BK BK BK BK BK BK  
CLOUDS (%) 80 75 86 98100 99100100 98 93 97 95 95 94 92 88 88 90 94 89 87 82  
POP 12HR 40 60 70 30 40  
RAIN L L C C C C C C C  
SNOW L L L L S S C C C C  
SNOWSHWRS SC SC SC SC SC SC  
TSTMS IS IS  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 1 1 1  
HAINES 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  
15K WIND DIR W W SW SW W W W W W SW SW S SW SW SW SW SW SW SW SW SW SW  
15K WIND SPD 40 34 33 39 35 33 34 26 24 27 23 28 37 29 27 29 35 36 41 29 32 29  
MIX HGT 6 5 3 3 2 2 3 4 5 3 2 1 1 2 2 3 3 1 1 1 1 1  
TRANSWND DIR NE N NE N E NE NE SE W N N N N N N NE NE NE E SE SE SE  
TRANSWND SPD 4 5 5 2 5 3 4 3 3 14 8 3 4 8 5 5 8 9 8 8 5 8  
SMOKE DISP PR PR PR PR PR PR PR PR PR FR PR PR PR PR PR PR PR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 50 32 42 28 46 29 56 35 57  
TEMP 48 46 35 33 39 40 33 29 41 44 33 31 50 53 39 36 54 53  
DEWPT 32 31 31 30 28 26 26 25 25 24 24 23 27 26 27 27 29 28  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS BK BK BK BK BK BK BK BK SC SC SC FW FW SC FW FW FW SC  
POP 12HR 70 70 70 50 40 20 20 10 20  
RAIN C L L C C S S S  
SNOW C L C L L C C S C S  
TSTMS IS IS IS IS  
 

 
 
COZ239-131100-  
ERIE MUNI CO (METAR)  
40.01N 105.05W ELEV. 5089 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 28 45 32 46 34  
TEMP 43 42 36 33 30 28 29 36 45 43 38 35 34 32 35 42 46 44 39 36 36 34  
DEWPT 17 17 19 21 21 23 22 23 24 25 28 30 30 30 29 29 29 29 30 31 31 31  
MIN/MAX RH 81 44 93 50 89  
RH 35 36 50 61 69 81 75 59 43 49 67 82 85 92 78 60 51 55 70 82 82 89  
WIND DIR NE NE NE N NE NE E E NE N N N NE NE NE E NE NE E E E NE  
WIND SPD 8 9 6 4 5 8 6 6 8 8 5 4 4 5 5 5 8 8 5 5 4 4  
CLOUDS BK BK BK OV OV OV OV OV OV BK OV OV OV OV BK BK BK BK BK BK BK BK  
CLOUDS (%) 81 77 87 98100 98100100 98 93 96 96 96 95 92 88 88 90 93 92 89 85  
POP 12HR 30 50 70 30 40  
RAIN L L C C C C C C C  
SNOW L L L L S S C C C  
SNOWSHWRS IS SC SC SC SC SC  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1  
HAINES 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  
15K WIND DIR W W SW SW W W W W SW SW SW S SW SW SW SW SW SW SW SW SW SW  
15K WIND SPD 43 36 35 39 36 34 33 26 20 26 21 25 37 29 26 28 34 34 41 29 32 28  
MIX HGT 6 6 3 2 2 2 3 4 5 4 1 1 1 2 2 4 3 1 1 <1 <1 <1  
TRANSWND DIR NE N N N NE E E SE SE N NE N E NE NE E NE NE E SE E E  
TRANSWND SPD 4 6 5 2 6 5 5 4 4 8 6 3 4 9 6 8 9 10 9 5 4 5  
SMOKE DISP PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 51 31 43 26 47 26 57 32 58  
TEMP 48 47 34 31 39 39 32 27 42 45 32 28 50 54 37 33 54 53  
DEWPT 33 31 32 31 29 26 28 25 25 22 25 24 26 25 28 28 29 27  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS BK BK BK BK BK BK BK BK SC SC SC FW FW SC FW FW FW SC  
POP 12HR 70 80 60 50 30 20 20 10 20  
RAIN C L D C L C C S S S  
SNOW C D C L L C S S C S  
TSTMS IS IS IS IS  
 

 
 
COZ239-131100-  
LONGMONT ARPT CO (METAR)  
40.16N 105.16W ELEV. 5046 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 28 44 31 46 34  
TEMP 43 42 36 33 31 28 30 37 44 42 39 35 34 31 34 42 45 45 39 38 37 34  
DEWPT 17 18 20 20 21 22 23 23 24 26 28 29 30 30 30 29 29 29 30 30 30 31  
MIN/MAX RH 81 45 95 50 91  
RH 35 37 52 58 66 78 75 56 45 53 64 78 85 96 85 60 53 53 70 73 75 89  
WIND DIR NE NE NE N NE NE E E NE N N NE NE NE E E NE NE E E E NE  
WIND SPD 6 9 5 4 5 6 5 5 6 6 5 3 3 4 5 5 6 5 4 4 3 3  
CLOUDS BK BK BK OV OV OV OV OV OV BK OV OV OV OV OV BK BK BK BK BK BK BK  
CLOUDS (%) 82 79 89 99 99 99100100 97 91 96 96 97 97 96 89 86 87 93 93 93 89  
POP 12HR 40 60 70 30 40  
RAIN L L C C C C C C C  
SNOW L L L L S S C C C  
SNOWSHWRS SC SC SC SC SC SC  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1  
HAINES 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  
15K WIND DIR W W W SW W W W W SW SW SW S SW SW SW SW SW SW SW SW SW SW  
15K WIND SPD 43 37 36 37 37 35 29 27 18 20 20 23 35 29 21 25 28 28 39 26 32 27  
MIX HGT 6 5 2 2 2 2 3 5 5 4 1 2 1 1 2 3 3 1 1 1 <1 <1  
TRANSWND DIR NE N NE N NE NE SE E NE N N N N E E NE E NE E SE SE E  
TRANSWND SPD 4 6 3 2 3 3 4 4 3 6 5 4 3 8 5 5 6 8 5 5 5 5  
SMOKE DISP PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 50 31 43 27 48 27 57 32 58  
TEMP 47 47 35 32 40 41 33 28 43 46 32 28 51 55 38 33 53 54  
DEWPT 33 31 32 31 29 26 27 25 25 23 24 24 27 26 27 28 31 28  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS BK BK BK BK BK BK BK BK SC SC SC FW FW SC FW FW FW SC  
POP 12HR 70 70 60 50 30 20 20 10 20  
RAIN C L L C L C C S S S  
SNOW C L C L L C S S C S  
TSTMS IS IS IS IS  
 

 
 
COZ240-131100-  
CENTENNIAL AIRPORT CO (METAR)  
39.56N 104.85W ELEV. 5876 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 27 46 33 49 35  
TEMP 43 41 35 32 30 27 32 41 46 45 39 36 34 33 35 43 49 46 40 37 37 35  
DEWPT 17 17 19 20 21 22 20 21 24 24 28 29 29 28 27 28 27 27 27 29 29 31  
MIN/MAX RH 81 41 85 43 84  
RH 35 37 52 61 69 81 61 44 42 43 64 75 82 82 72 55 42 47 59 72 72 85  
WIND DIR NE NE NE E E E SE SE SE NE NW NE E E SE SE E SE SE SE SE S  
WIND SPD 9 10 9 5 6 6 8 11 10 9 8 6 5 5 6 9 11 11 10 10 9 8  
CLOUDS SC SC BK OV OV OV OV OV OV BK OV OV BK BK BK BK BK BK BK BK BK BK  
CLOUDS (%) 69 69 84 99100 99100100 98 93 97 96 93 90 88 79 81 88 89 89 84 74  
POP 12HR 50 50 70 20 40  
RAIN L L S S C C C C C  
RAIN SHWRS SC  
SNOW L L L L S S S C C C  
SNOWSHWRS SC SC SC SC SC SC  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1  
HAINES 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  
15K WIND DIR W W SW W SW W W W W SW SW SW SW SW SW SW SW SW SW SW SW SW  
15K WIND SPD 37 34 33 42 42 42 34 28 29 32 31 37 41 34 34 32 39 47 46 37 39 32  
MIX HGT 6 6 3 3 2 1 3 4 5 4 2 1 1 2 2 4 3 2 1 1 1 1  
TRANSWND DIR N NE NE N E E SE S SE N N N S NE SE SE NE SE SE SE SE S  
TRANSWND SPD 5 8 10 6 3 8 11 6 6 8 5 4 4 5 5 6 11 11 13 16 12 6  
SMOKE DISP PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 52 30 42 26 46 27 56 33 58  
TEMP 50 47 35 32 37 39 33 29 40 44 34 30 49 54 39 36 53 53  
DEWPT 31 30 30 29 27 24 26 24 22 21 23 21 22 21 26 25 26 24  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS SC BK BK BK BK BK BK BK SC SC SC SC FW SC FW FW FW SC  
POP 12HR 60 70 70 60 40 30 20 20 20  
RAIN C L L C S S S S  
SNOW C L C L L L C C C C S  
TSTMS IS IS IS IS  
 

 
 
COZ240-131100-  
AURORA-BUCKLEY CO (METAR)  
39.56N 104.85W ELEV. 5584 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 27 46 33 49 35  
TEMP 42 41 35 32 29 27 30 41 46 44 38 36 35 33 37 44 49 46 40 37 36 35  
DEWPT 18 17 19 19 20 20 20 21 23 24 28 29 29 29 28 29 29 28 28 29 30 31  
MIN/MAX RH 78 40 85 46 85  
RH 37 37 52 58 69 74 66 44 40 45 67 75 78 85 70 55 46 49 62 72 79 85  
WIND DIR NE NE NE E E E E SE SE NE NW NE E E SE SE E SE SE SE SE SE  
WIND SPD 9 11 9 6 8 9 9 10 11 10 9 8 9 8 8 10 12 12 12 11 11 10  
WIND GUST 21  
CLOUDS BK BK BK OV OV OV OV OV OV BK OV OV BK BK BK BK BK BK BK BK BK BK  
CLOUDS (%) 80 73 85 97100 98100100 98 94 95 96 91 89 87 80 86 90 90 87 84 72  
POP 12HR 30 50 70 20 40  
RAIN L L S S C C C C C  
RAIN SHWRS SC  
SNOW L L L L S S C C C  
SNOWSHWRS IS SC SC SC SC  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1  
HAINES 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  
15K WIND DIR W W W W W W W W W SW SW SW SW SW SW SW SW SW SW SW SW SW  
15K WIND SPD 41 35 33 42 40 40 33 28 28 31 29 34 40 32 33 33 36 46 46 37 39 31  
MIX HGT 6 6 3 3 3 2 3 5 6 4 2 1 1 2 3 4 4 2 2 1 1 1  
TRANSWND DIR NE NE NE N E E E S E SE E W NE E SE SE SE SE SE SE SE SE  
TRANSWND SPD 5 8 10 5 3 9 14 11 5 14 11 5 5 8 5 6 11 14 17 18 16 9  
SMOKE DISP PR FR PR PR PR PR PR FR PR FR PR PR PR PR PR PR FR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 52 30 41 26 46 28 56 33 58  
TEMP 50 46 34 32 37 39 32 28 40 43 32 29 49 54 39 35 53 53  
DEWPT 32 33 32 30 29 27 27 25 24 23 24 23 24 23 27 27 28 26  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS SC BK BK BK BK BK BK BK SC SC SC FW FW SC FW FW FW SC  
POP 12HR 60 80 60 50 40 20 20 10 20  
RAIN C L D C S S  
SNOW C D C L L C C C C S  
TSTMS IS IS IS IS  
 

 
 
COZ240-131100-  
DENVER INTERNATIONAL AIRPORT CO (METAR)  
39.85N 104.76W ELEV. 5410 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 28 46 32 48 35  
TEMP 42 42 36 33 31 28 30 39 46 44 39 36 34 32 36 43 48 46 39 37 36 35  
DEWPT 17 16 18 18 18 18 19 20 23 23 26 29 29 28 27 29 28 28 28 29 29 30  
MIN/MAX RH 70 39 84 45 84  
RH 36 34 47 53 58 66 63 46 40 43 59 75 82 85 69 57 46 49 64 72 75 82  
WIND DIR NE NE NE E E E E SE SE E E E E E SE SE E SE SE SE SE SE  
WIND SPD 9 11 10 8 8 9 11 12 11 11 10 9 10 10 11 12 14 13 13 13 13 12  
WIND GUST 24  
CLOUDS BK BK BK OV OV OV OV OV OV OV OV OV BK BK BK BK BK BK BK BK BK BK  
CLOUDS (%) 80 75 86 97 99 97100100 98 95 97 95 93 90 86 83 88 93 93 89 87 79  
POP 12HR 20 50 60 20 40  
RAIN L L S S C C C C C  
RAIN SHWRS IS  
SNOW L L L L S S S C C C C  
SNOWSHWRS IS IS IS IS IS  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1  
HAINES 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  
15K WIND DIR W W W W W W W W SW SW SW SW SW W SW SW SW SW SW SW SW SW  
15K WIND SPD 44 37 35 42 40 39 33 27 26 31 29 29 39 31 31 32 34 44 43 37 39 33  
MIX HGT 6 6 2 3 2 2 3 5 6 5 2 1 1 1 3 4 4 2 2 1 1 1  
TRANSWND DIR NE NE NE N E E E S SW E S SW W E SE SE SE SE SE SE SE SE  
TRANSWND SPD 5 8 10 3 3 9 11 11 6 10 16 6 9 10 8 6 12 17 19 18 18 13  
SMOKE DISP PR FR PR PR PR PR PR FR PR FR PR PR PR PR PR PR FR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 52 30 41 26 46 28 56 33 57  
TEMP 49 46 34 31 37 39 32 28 40 43 32 29 49 54 39 35 53 53  
DEWPT 34 33 32 30 29 27 27 25 25 23 24 23 24 24 27 27 29 27  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS BK BK BK BK BK BK BK BK SC SC SC FW FW SC FW FW FW SC  
POP 12HR 60 80 60 50 30 20 20 10 20  
RAIN C L D C C S S S  
SNOW C D C L L C S S C S  
TSTMS IS IS IS  
 

 
 
COZ240-131100-  
FRONT RANGE AIRPORT CO (METAR)  
39.79N 104.54W ELEV. 5486 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 28 46 32 48 35  
TEMP 42 41 35 33 31 28 31 41 46 45 39 36 34 32 35 43 48 46 40 36 36 35  
DEWPT 18 17 18 19 18 18 19 20 23 23 26 29 28 27 28 30 29 29 29 29 29 30  
MIN/MAX RH 67 38 82 48 84  
RH 37 37 49 56 58 66 61 42 40 41 59 75 78 81 75 60 47 51 64 75 75 82  
WIND DIR NE NE NE E E E E SE SE SE E E E E SE SE SE SE SE SE SE SE  
WIND SPD 9 11 9 6 8 9 12 13 13 12 10 10 10 10 12 13 16 16 14 14 14 13  
WIND GUST 19 24  
CLOUDS BK BK BK OV OV OV OV OV OV BK OV OV BK BK BK BK BK BK BK BK BK BK  
CLOUDS (%) 80 74 85 96 99 99100100 98 94 96 96 89 88 87 82 86 92 91 89 84 80  
POP 12HR 20 40 60 30 40  
RAIN L L S S C C C C C  
RAIN SHWRS IS  
SNOW L L L L C C C C C C  
SNOWSHWRS IS IS IS IS IS  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1  
HAINES 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  
15K WIND DIR W W W W W W W W W SW SW SW SW W SW SW SW SW SW SW SW SW  
15K WIND SPD 44 37 36 43 41 40 32 27 27 32 32 32 40 32 32 33 34 44 44 40 37 33  
MIX HGT 6 6 2 3 2 2 3 5 6 6 2 1 1 <1 3 4 4 2 2 2 2 1  
TRANSWND DIR NE NE NE N E E SE S SE SE E S W W SE SE SE SE SE SE SE SE  
TRANSWND SPD 5 8 10 3 5 10 16 11 6 11 11 6 13 10 10 9 12 18 20 19 19 14  
SMOKE DISP PR FR PR PR PR PR FR FR PR FR PR PR PR PR PR PR PR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 51 29 41 25 45 28 55 33 58  
TEMP 48 45 34 31 37 39 31 27 40 43 32 30 48 53 38 34 53 53  
DEWPT 35 33 32 30 29 27 27 25 26 24 24 24 26 25 27 27 30 27  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS BK BK BK BK OV BK BK BK SC SC SC FW FW SC FW FW FW SC  
POP 12HR 60 80 60 50 30 20 20 10 20  
RAIN C L D L S S  
SNOW C D L L L C C S C S  
TSTMS IS IS IS  
 

 
 
COZ240-131100-  
ROCKY MOUNTAIN ARESENAL CO (RAWS)  
39.82N 104.86W ELEV. 5257 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 27 46 33 49 36  
TEMP 42 42 36 33 29 27 29 39 46 45 40 37 35 33 37 44 49 47 40 38 37 36  
DEWPT 17 17 19 20 20 21 21 21 23 24 27 30 30 30 28 28 28 28 28 30 31 31  
MIN/MAX RH 78 41 89 44 84  
RH 36 36 50 58 69 78 72 48 40 43 59 75 82 89 70 53 44 47 62 73 79 82  
WIND DIR NE NE NE NE NE E E E E NE N NE E E E E E E SE SE SE SE  
WIND SPD 9 10 9 5 5 6 8 8 9 9 8 5 5 5 6 8 10 11 10 8 8 6  
WIND GUST 20  
CLOUDS BK BK BK OV OV OV OV OV OV BK OV OV BK BK BK BK BK BK BK BK BK BK  
CLOUDS (%) 80 74 85 97100 98100100 98 94 97 95 93 90 88 83 89 89 94 87 86 75  
POP 12HR 30 50 60 20 40  
RAIN L L L S S C C C C C  
RAIN SHWRS SC  
SNOW L L L L S S S C C  
SNOWSHWRS IS SC SC SC SC SC  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1  
HAINES 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  
15K WIND DIR W W SW SW W W W W W SW SW S SW SW SW SW SW SW SW SW SW SW  
15K WIND SPD 41 35 33 41 37 37 33 27 26 31 27 31 37 31 31 32 36 43 43 33 36 31  
MIX HGT 6 6 3 3 2 2 3 5 6 4 2 1 1 <1 3 4 4 2 2 1 1 1  
TRANSWND DIR NE NE NE N E E E S E N SE N E E SE SE E E SE SE SE SE  
TRANSWND SPD 4 8 10 6 3 9 12 5 4 14 9 4 5 8 5 6 10 13 14 16 11 5  
SMOKE DISP PR PR PR PR PR PR PR PR PR FR PR PR PR PR PR PR PR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 52 32 42 27 47 29 57 34 59  
TEMP 51 47 35 32 39 40 34 29 42 45 34 30 50 55 39 35 54 54  
DEWPT 33 33 32 32 29 27 28 26 25 24 25 25 25 24 28 28 29 27  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS BK BK BK BK BK BK BK BK SC SC SC FW FW SC FW FW FW SC  
POP 12HR 60 80 60 50 30 20 20 10 20  
RAIN C L D C L C C S S S  
SNOW D C L L C S S C S  
TSTMS IS IS IS IS  
 

 
 
COZ241-131100-  
MONUMENT-ELBERT CO (METAR)  
39.22N 104.64W ELEV. 7051 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 24 40 26 44 30  
TEMP 41 39 31 27 25 24 28 34 40 37 32 29 27 26 31 38 44 40 34 31 30 30  
DEWPT 17 17 18 19 19 18 17 20 21 22 24 25 25 24 26 28 28 28 27 27 28 28  
MIN/MAX RH 81 46 96 54 92  
RH 37 40 58 71 78 77 63 56 46 54 72 85 92 92 81 67 53 62 75 85 92 92  
WIND DIR E E E E SE SE SE S S SE SE SE SE SE SE SE SE SE SE SE S S  
WIND SPD 9 10 11 6 8 9 13 14 16 12 9 8 9 8 11 13 17 14 14 13 13 12  
WIND GUST 20 21 19  
CLOUDS FW SC SC OV OV BK OV OV OV BK OV BK BK BK BK BK BK BK BK BK BK BK  
CLOUDS (%) 28 40 68 96100 93100100 96 89 95 91 92 86 87 72 75 85 86 87 85 85  
POP 12HR 40 50 70 20 40  
RAIN S C  
SNOW L L L L S S S S C C C C C  
SNOWSHWRS IS SC SC SC SC SC  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1  
HAINES 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  
15K WIND DIR W W W W SW W W W W SW SW SW SW SW SW SW SW SW SW SW SW SW  
15K WIND SPD 40 35 40 47 42 47 37 29 33 37 36 46 37 37 34 36 41 42 48 40 36 33  
MIX HGT 6 6 3 2 2 2 3 4 4 4 2 2 2 1 2 4 5 2 2 2 2 1  
TRANSWND DIR SW NE NE NE NE SE S S S S SE E E SE S S S SE SE SE S S  
TRANSWND SPD 4 5 11 8 3 11 19 19 16 13 6 4 5 8 8 10 13 17 18 18 19 18  
SMOKE DISP PR PR PR PR PR PR FR GD FR FR PR PR PR PR PR PR FR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 46 25 36 21 39 22 47 28 51  
TEMP 42 42 29 27 32 33 26 23 34 36 26 24 42 45 32 30 46 46  
DEWPT 32 32 29 27 27 25 24 21 23 22 21 19 24 24 23 23 27 26  
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS BK BK BK BK BK BK BK BK SC SC SC SC FW SC SC FW FW SC  
POP 12HR 60 70 70 60 40 30 30 20 30  
RAIN C L L C S C  
SNOW C L C L L L C C C C S S C S S  
TSTMS IS IS IS  
 

 
 
COZ242-131100-  
21.9N OF STONEHAM CO (METAR)  
40.92N 103.69W ELEV. 4970 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 26 44 26 41 30  
TEMP 42 41 35 32 28 26 30 37 42 42 37 33 29 26 30 34 39 40 33 33 30 31  
DEWPT 16 13 14 13 15 15 15 15 17 17 18 18 20 21 22 23 24 25 26 26 27 27  
MIN/MAX RH 64 33 81 51 90  
RH 34 31 41 45 58 62 53 40 36 36 46 53 69 81 72 64 54 55 75 75 88 85  
WIND DIR N N N N N N N NE E NE NE NE E E E E E E E SE SE SE  
WIND SPD 13 13 9 10 11 10 10 5 4 8 9 10 11 12 13 14 16 16 14 14 14 16  
WIND GUST 26 24  
CLOUDS BK BK BK BK BK BK OV OV BK BK BK BK BK BK OV BK BK BK BK BK BK BK  
CLOUDS (%) 81 77 76 75 72 88100100 94 83 88 88 92 93 95 88 82 84 80 87 90 89  
POP 12HR 5 10 40 40 40  
RAIN C C  
SNOW C C C C C C C C C C C  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1  
HAINES 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  
15K WIND DIR W W W W W W W W W W SW SW SW W W SW SW SW SW SW SW SW  
15K WIND SPD 54 54 49 49 42 34 32 29 23 10 10 19 21 17 11 11 14 26 31 40 35 31  
MIX HGT 7 6 2 2 2 2 2 5 6 6 3 2 2 2 2 3 3 3 1 1 1 2  
TRANSWND DIR NW N N N N N N NW SW NE NE NE NE E E SE SE SE SE SE SE SE  
TRANSWND SPD 17 16 13 16 17 18 14 8 3 3 9 14 13 12 14 13 12 16 14 14 17 18  
SMOKE DISP VG GD PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR FR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 42 29 39 25 43 26 54 31 54  
TEMP 38 39 32 31 35 37 31 28 39 41 32 28 48 51 37 34 49 49  
DEWPT 29 30 30 30 29 28 26 25 26 25 24 22 26 25 27 28 28 27  
WIND CHAR 15> <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS BK BK BK BK BK BK SC SC SC SC FW FW FW FW FW FW SC SC  
POP 12HR 50 80 70 30 20 10 10 10 20  
RAIN C D C S S S  
SNOW C C D D L C C S S  
TSTMS IS IS IS  
 

 
 
COZ242-131100-  
2NE OF RAYMER CO (METAR)  
40.63N 103.84W ELEV. 4790 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 26 45 27 43 30  
TEMP 42 43 36 33 28 26 31 38 44 44 37 34 30 27 29 35 41 42 34 33 31 30  
DEWPT 16 14 14 13 14 15 15 16 17 18 20 21 21 21 23 24 24 25 26 26 26 26  
MIN/MAX RH 64 33 81 48 92  
RH 34 30 40 43 55 62 51 40 33 35 50 58 69 78 78 64 50 50 72 75 81 85  
WIND DIR N N N N N N NE E E E NE E E E E E E E E SE SE SE  
WIND SPD 11 12 9 10 9 8 8 5 8 10 10 10 11 12 14 16 17 17 14 13 13 14  
WIND GUST 23 24 16  
CLOUDS BK BK BK BK BK BK OV OV OV BK BK BK BK BK OV BK BK BK BK BK BK BK  
CLOUDS (%) 83 81 84 87 86 93100100 95 85 91 91 92 94 97 91 85 85 85 89 87 92  
POP 12HR 5 20 50 40 40  
RAIN C C C  
SNOW C C C C C C C C C C C  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1  
HAINES 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  
15K WIND DIR W W W W W W W W W SW SW SW SW W W SW SW SW SW SW SW SW  
15K WIND SPD 50 50 46 49 42 35 33 28 18 11 14 23 26 27 17 14 20 32 37 41 34 36  
MIX HGT 7 6 2 2 2 2 3 5 6 6 3 3 2 2 2 3 3 3 1 1 1 2  
TRANSWND DIR N N N N N N NE W W E NE NE E E E SE SE E E SE SE SE  
TRANSWND SPD 8 16 13 13 16 13 8 3 3 5 8 13 12 16 17 13 13 17 14 16 17 18  
SMOKE DISP FR GD PR PR PR PR PR PR PR PR PR PR PR PR PR PR FR FR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 45 28 39 24 44 24 55 30 55  
TEMP 41 42 32 30 36 38 29 27 39 42 31 26 48 53 36 33 50 50  
DEWPT 30 30 30 29 28 27 26 23 24 24 24 21 24 24 27 27 28 26  
WIND CHAR 15> 15> <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS BK BK BK BK BK BK SC SC SC SC FW FW FW FW FW FW FW SC  
POP 12HR 50 80 70 30 20 10 10 10 20  
RAIN C C D C S S S  
SNOW C C D L L C C S S S  
TSTMS IS IS IS  
 

 
 
COZ242-131100-  
11.8E OF GROVER CO (METAR)  
40.88N 104.00W ELEV. 5420 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 25 42 26 40 30  
TEMP 43 42 36 31 26 25 29 36 41 40 34 33 29 26 29 33 38 39 32 31 30 31  
DEWPT 15 13 14 12 14 15 14 15 16 18 19 19 21 21 21 21 23 24 25 25 26 26  
MIN/MAX RH 64 36 85 51 87  
RH 32 30 40 45 60 65 53 42 36 41 54 56 72 81 72 61 54 54 75 78 85 81  
WIND DIR N N N N N N NE E E E NE E E E E E E E E SE SE SE  
WIND SPD 12 12 10 10 11 11 10 6 8 10 10 12 13 14 17 17 18 18 17 17 17 18  
WIND GUST 24 24 21 17  
CLOUDS BK BK BK BK BK BK OV OV OV BK BK BK BK BK OV BK BK BK BK BK BK BK  
CLOUDS (%) 82 80 81 82 82 89100100 95 84 89 89 94 94 95 91 83 86 84 89 88 88  
POP 12HR 10 20 50 40 40  
SNOW C C C C C C S S C C C C C  
SNOWSHWRS IS IS  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1  
HAINES 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  
15K WIND DIR W W W W W W W W W W SW SW SW W W SW SW SW SW SW SW SW  
15K WIND SPD 51 50 46 48 41 33 32 28 21 9 11 18 25 19 10 11 16 28 28 39 34 31  
MIX HGT 6 6 2 2 2 1 2 5 6 5 3 2 2 1 2 2 3 2 1 1 2 2  
TRANSWND DIR N N N N N N N SE W E NE NE NE E E SE SE E SE SE SE SE  
TRANSWND SPD 16 16 13 16 16 14 13 6 3 4 6 12 13 13 16 13 14 17 16 18 19 19  
SMOKE DISP GD GD PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 42 27 37 24 42 24 52 30 52  
TEMP 39 38 31 30 35 36 29 27 38 40 30 27 47 50 36 33 48 48  
DEWPT 28 28 28 28 26 26 24 22 24 23 22 21 24 23 26 26 26 26  
WIND CHAR 15> 15> 15> <15 15> <15 <15 <15 15>  
AVG CLOUDS BK BK BK BK BK BK SC SC SC SC FW FW FW FW FW FW FW SC  
POP 12HR 60 80 70 30 20 10 10 10 20  
RAIN L D S S  
SNOW C L D L L C C S S S  
TSTMS IS IS IS  
 

 
 
COZ244-131100-  
FORT MORGAN CO (METAR)  
40.33N 103.81W ELEV. 4514 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 27 48 30 47 32  
TEMP 44 43 37 34 30 27 32 40 47 46 40 37 33 30 32 39 45 46 37 34 33 32  
DEWPT 16 15 15 14 14 14 16 17 17 19 20 23 23 24 24 25 25 25 26 27 27 27  
MIN/MAX RH 59 31 78 43 85  
RH 32 32 40 43 51 57 51 39 30 34 44 56 66 78 72 57 45 43 64 75 78 81  
WIND DIR N N NE N NE NE NE E SE E E E E E E E E E E SE SE SE  
WIND SPD 10 12 9 8 10 8 9 8 10 11 11 11 13 13 16 16 17 18 14 13 14 13  
WIND GUST 21 25  
CLOUDS BK BK BK BK BK OV OV OV OV BK OV BK BK OV OV BK BK BK BK BK BK BK  
CLOUDS (%) 81 77 83 88 89 97100100 96 89 95 92 94 95 97 90 85 85 87 87 89 93  
POP 12HR 5 20 50 30 30  
RAIN C C C C  
SNOW C C C C C C C C C C  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1  
HAINES 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  
15K WIND DIR W W W W W W W W W SW SW SW SW W W SW SW SW SW SW SW SW  
15K WIND SPD 54 51 44 47 46 39 33 26 19 20 26 27 34 32 21 23 24 33 41 40 35 39  
MIX HGT 8 6 3 2 2 2 3 5 6 5 3 2 2 2 2 3 4 3 2 2 1 2  
TRANSWND DIR N N N NE NE NE E W W E NE E NE E E SE SE SE SE SE SE SE  
TRANSWND SPD 5 11 13 13 13 11 6 4 5 6 16 16 17 16 16 16 16 17 16 18 16 18  
SMOKE DISP PR FR PR PR PR PR PR PR PR PR PR PR PR PR PR FR FR FR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 49 29 42 25 47 25 58 31 58  
TEMP 42 45 33 31 37 39 31 27 40 44 32 27 48 55 37 33 51 53  
DEWPT 32 30 31 30 29 27 27 25 26 22 24 23 25 22 28 27 29 26  
WIND CHAR 15> <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS BK BK BK BK BK BK BK SC SC SC FW FW FW FW FW FW FW SC  
POP 12HR 50 80 60 30 20 10 10 10 20  
RAIN C C D L C C S S S  
SNOW C L L C C S S S  
TSTMS IS IS IS  
 

 
 
COZ246-131100-  
LIMON CO (METAR)  
39.27N 103.67W ELEV. 5358 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 26 46 28 45 30  
TEMP 45 45 37 32 29 26 32 38 45 44 36 32 29 28 32 40 44 44 34 30 30 30  
DEWPT 17 16 17 16 15 13 15 16 18 18 20 21 22 24 27 27 28 26 27 27 27 28  
MIN/MAX RH 59 32 85 49 97  
RH 32 31 44 51 55 57 49 40 33 35 52 63 75 85 81 59 53 49 75 88 88 92  
WIND DIR NE NE NE NE E E E SE SE SE SE E SE SE SE SE SE SE SE SE SE SE  
WIND SPD 8 10 11 8 8 8 11 13 16 14 11 10 11 12 14 18 19 20 17 14 14 16  
WIND GUST 18 21  
CLOUDS SC SC SC BK BK OV OV OV BK BK BK BK BK BK BK BK BK BK BK BK BK BK  
CLOUDS (%) 33 39 66 93 92 95100100 94 83 90 91 91 91 92 90 82 76 83 89 87 94  
POP 12HR 5 10 40 20 30  
RAIN C C S S C  
SNOW C C C C S S S C C C  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1  
HAINES 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  
15K WIND DIR W W W W W W W W W SW SW SW W W SW SW W SW SW SW SW SW  
15K WIND SPD 41 42 47 51 46 49 42 27 31 39 39 46 40 33 31 36 35 37 43 41 34 35  
MIX HGT 6 6 3 3 2 2 3 5 6 5 2 1 1 2 2 4 4 2 2 2 2 2  
TRANSWND DIR E E NE NE NE E SE S S SE SE SE SE SE SE SE SE SE SE SE SE SE  
TRANSWND SPD 3 5 18 5 6 4 6 13 16 11 16 14 16 16 16 16 19 18 19 19 19 21  
SMOKE DISP PR PR FR PR PR PR PR GD GD FR PR PR PR PR PR FR GD PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 48 26 39 23 43 24 54 28 57  
TEMP 44 43 30 29 36 36 27 26 38 40 28 26 47 51 33 31 51 51  
DEWPT 33 32 30 28 29 27 26 24 24 23 23 22 24 22 25 25 28 23  
WIND CHAR 15> <15 15> <15 <15 <15 <15 <15 <15  
AVG CLOUDS BK BK BK BK BK BK BK BK SC SC SC FW FW SC FW FW FW SC  
POP 12HR 50 80 60 30 20 20 20 10 20  
RAIN C C D L S S  
SNOW C D L L C C S S S S  
TSTMS IS IS  
 

 
 
COZ248-131100-  
4.6W OF PEETZ CO (METAR)  
40.96N 103.20W ELEV. 4537 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 26 45 27 42 30  
TEMP 46 45 37 33 28 26 31 39 44 43 36 33 29 27 29 35 41 41 34 32 31 30  
DEWPT 15 13 13 13 15 15 15 15 16 17 17 17 19 20 22 24 25 25 26 27 28 27  
MIN/MAX RH 62 32 78 50 91  
RH 28 27 37 43 58 62 51 37 32 35 45 51 66 74 75 64 52 52 72 81 88 88  
WIND DIR N N N N N N N N NE NE NE NE NE E E E E E E SE SE SE  
WIND SPD 16 14 10 11 11 12 12 8 2 6 8 10 12 11 12 13 14 14 13 13 14 16  
WIND GUST 28 25 13  
CLOUDS BK BK BK BK SC BK OV OV BK BK BK BK BK BK BK BK BK BK BK BK BK BK  
CLOUDS (%) 73 71 75 78 69 83 98 98 91 77 79 88 90 91 94 90 80 76 83 89 91 89  
POP 12HR 5 10 40 40 40  
RAIN S S  
SNOW S S C C C C S S C C C  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1  
HAINES 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  
15K WIND DIR W W W W W W W W W W SW SW SW W SW W SW SW SW SW SW SW  
15K WIND SPD 54 57 54 51 46 36 32 31 25 14 9 19 20 16 13 13 14 23 39 40 36 31  
MIX HGT 7 7 2 2 1 1 2 5 6 6 1 1 1 2 2 3 3 4 1 2 1 1  
TRANSWND DIR NW N N N N N N NW W N NE NE NE NE E E SE E SE SE SE SE  
TRANSWND SPD 17 17 13 17 19 19 16 11 4 3 12 14 11 11 11 12 11 13 13 13 16 18  
SMOKE DISP VG VG PR PR PR PR PR FR PR PR PR PR PR PR PR PR PR FR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 41 29 39 26 44 26 54 31 55  
TEMP 38 39 32 31 35 36 30 27 39 42 31 28 48 51 36 33 49 49  
DEWPT 30 30 31 30 30 30 27 26 28 26 25 24 28 26 28 28 29 28  
WIND CHAR 15> <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS BK BK BK BK BK BK SC SC SC SC FW FW FW FW FW FW SC SC  
POP 12HR 50 80 70 20 10 5 10 5 10  
RAIN C D D C S S  
SNOW C C D D L C S  
TSTMS IS IS  
 

 
 
COZ248-131100-  
15WNW OF STERLING, CO (METAR)  
40.70N 103.48W ELEV. 4386 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 26 46 27 44 30  
TEMP 43 42 36 33 29 26 32 40 44 44 37 35 31 27 29 36 42 43 35 34 31 30  
DEWPT 17 14 15 13 15 15 16 16 17 18 20 20 20 22 23 25 26 26 27 28 28 27  
MIN/MAX RH 62 32 85 49 92  
RH 35 31 42 43 55 62 51 37 33 35 50 54 63 81 78 64 53 51 72 78 88 88  
WIND DIR N N N N N N N NE E NE NE E E E E E E E E SE SE SE  
WIND SPD 12 12 8 9 8 8 9 4 4 6 6 8 10 10 12 13 16 16 13 12 12 13  
WIND GUST 23 24 14 16  
CLOUDS BK BK BK BK BK BK OV OV BK BK BK BK BK BK OV BK BK BK BK BK BK BK  
CLOUDS (%) 81 77 80 84 79 90100100 94 82 87 88 92 93 95 89 83 79 79 88 93 91  
POP 12HR 5 10 40 40 40  
RAIN C C C  
SNOW C C C C C C C C C C C  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1  
HAINES 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  
15K WIND DIR W W W W W W W W W W SW SW SW W W W SW SW SW SW SW SW  
15K WIND SPD 50 54 49 50 44 35 32 29 21 10 12 23 25 24 18 14 19 29 39 42 35 34  
MIX HGT 7 6 2 2 2 2 3 6 6 6 3 2 2 2 2 3 4 3 1 1 2 1  
TRANSWND DIR N N N N N N N W W NE NE NE NE E E E SE E SE SE SE SE  
TRANSWND SPD 12 16 13 14 16 13 13 4 3 3 5 11 10 13 14 13 13 16 13 13 16 18  
SMOKE DISP GD GD PR PR PR PR PR PR PR PR PR PR PR PR PR PR FR FR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 46 29 40 24 46 25 57 31 56  
TEMP 42 43 32 30 37 39 30 26 40 43 31 26 49 53 36 32 50 51  
DEWPT 31 31 32 30 30 29 27 25 27 26 26 24 28 26 29 28 29 28  
WIND CHAR 15> <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS BK BK BK BK BK BK SC SC SC SC FW FW FW FW FW FW SC SC  
POP 12HR 50 80 70 20 20 10 10 10 10  
RAIN C C D L C S S S  
SNOW C D L L C S S S  
TSTMS IS IS IS  
 

 
 
COZ248-131100-  
STERLING CO (METAR)  
40.61N 103.26W ELEV. 4032 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 27 48 29 46 31  
TEMP 46 45 38 34 30 27 33 41 46 46 40 36 33 29 31 39 44 45 37 33 32 31  
DEWPT 16 14 15 13 15 16 16 16 17 18 20 21 20 23 24 25 25 26 28 29 29 28  
MIN/MAX RH 63 30 79 44 92  
RH 29 28 38 41 53 63 49 36 31 32 44 54 58 78 75 57 47 47 70 85 88 88  
WIND DIR N N N N N N N NE E NE NE NE E E E E SE SE E SE SE SE  
WIND SPD 12 12 8 9 8 6 9 5 3 6 6 6 9 10 13 13 14 16 12 11 11 12  
WIND GUST 24 24 17  
CLOUDS BK BK BK BK BK BK OV OV BK BK BK BK BK BK OV BK BK BK BK BK BK BK  
CLOUDS (%) 80 73 78 83 83 92100100 94 82 88 88 89 93 95 90 83 78 79 89 91 92  
POP 12HR 5 10 40 30 30  
RAIN C C S S C C  
SNOW C C C C C S C C C  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1  
HAINES 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  
15K WIND DIR W W W W W W W W W W SW SW SW W W W SW SW SW SW SW SW  
15K WIND SPD 49 55 50 51 47 39 32 31 21 13 14 25 26 26 23 19 21 28 40 42 36 35  
MIX HGT 7 7 2 2 2 2 3 6 6 6 3 2 2 2 2 3 4 3 2 2 2 1  
TRANSWND DIR NW N N N N N N W N NE NE NE NE E E E SE SE SE SE SE SE  
TRANSWND SPD 12 16 13 14 14 11 11 4 3 4 10 8 11 13 13 12 11 16 16 13 16 18  
SMOKE DISP GD GD PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR FR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 46 29 42 25 48 26 57 31 58  
TEMP 41 43 33 31 37 40 31 27 41 45 31 26 50 55 37 32 51 53  
DEWPT 31 31 33 31 32 30 30 27 28 26 27 25 28 26 30 29 30 28  
WIND CHAR 15> <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS BK BK BK BK BK BK SC SC SC SC FW FW FW FW FW FW FW SC  
POP 12HR 50 80 70 20 20 10 10 5 10  
RAIN C C D L L C S S  
SNOW C L L C S S  
TSTMS IS IS IS  
 

 
 
COZ249-131100-  
AKRON-WASHINGTON CO (METAR)  
40.17N 103.22W ELEV. 4688 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 27 47 29 44 32  
TEMP 48 46 40 35 30 27 32 40 46 45 39 36 32 29 31 37 43 43 34 33 32 32  
DEWPT 15 15 14 14 14 14 15 16 18 19 20 22 22 23 23 24 26 25 26 26 27 27  
MIN/MAX RH 57 32 78 47 85  
RH 26 28 34 41 51 57 49 37 32 35 46 56 66 78 72 59 51 49 72 75 81 81  
WIND DIR N N N N N N NE E SE E E E E E E SE SE SE SE SE SE SE  
WIND SPD 11 13 10 9 10 10 10 9 10 11 10 10 13 14 17 17 18 19 16 14 17 18  
WIND GUST 23 25 20  
CLOUDS BK BK BK BK BK BK OV OV OV BK BK BK BK BK OV BK BK BK BK BK BK BK  
CLOUDS (%) 76 72 76 80 74 93100100 95 85 90 89 93 94 95 87 75 77 82 83 87 91  
POP 12HR 5 10 40 30 30  
RAIN C C S S  
SNOW C C C C C C S S C C C  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1  
HAINES 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  
15K WIND DIR W W W W W W W W W W SW SW SW W W W SW SW SW SW SW SW  
15K WIND SPD 51 48 46 49 48 42 34 27 21 27 31 32 37 34 27 28 28 29 35 41 35 37  
MIX HGT 7 6 3 2 1 1 3 5 6 6 2 1 1 2 2 3 4 2 2 1 1 1  
TRANSWND DIR NW N N N N NE NE W W SE E E E E E SE SE SE SE SE SE SE  
TRANSWND SPD 5 16 13 13 10 12 8 5 4 5 5 10 16 16 17 16 17 16 18 17 16 19  
SMOKE DISP PR GD PR PR PR PR PR PR PR PR PR PR PR PR PR PR GD PR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 45 29 39 26 44 26 53 31 55  
TEMP 41 42 32 30 34 36 30 28 39 41 31 28 47 51 37 33 50 51  
DEWPT 31 30 31 30 30 29 27 25 27 25 25 24 27 26 27 28 30 27  
WIND CHAR 15> 15> 15> <15 15> <15 <15 <15 15>  
AVG CLOUDS BK BK BK BK BK BK BK BK SC SC SC FW FW FW FW FW FW SC  
POP 12HR 50 80 70 30 20 10 10 10 10  
RAIN C C D L C C S  
SNOW C D L L C C S  
TSTMS IS IS IS  
 

 
 
COZ251-131100-  
HOLYOKE CO (METAR)  
40.57N 103.28W ELEV. 3724 FT  
237 PM MDT MON APR 12 2021  
 
DATE 04/12/21 TUE 04/13/21 WED 04/14/21 THU  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
MIN/MAX 27 48 29 46 31  
TEMP 45 44 38 34 30 27 34 42 47 46 41 37 34 29 32 40 45 45 36 34 32 31  
DEWPT 16 15 15 13 15 16 16 16 17 18 20 22 20 23 24 25 25 26 28 28 28 28  
MIN/MAX RH 63 30 78 43 92  
RH 31 30 38 41 53 63 47 34 30 32 42 54 56 78 72 55 45 47 72 78 85 88  
WIND DIR N N N N N N N NE E NE NE E E E E E SE SE E SE SE SE  
WIND SPD 12 12 8 9 8 6 9 5 4 6 6 8 9 10 13 13 16 16 12 11 11 12  
WIND GUST 24 24 17  
CLOUDS BK BK BK BK BK BK OV OV BK BK BK BK BK BK OV BK BK BK BK BK BK BK  
CLOUDS (%) 80 74 78 83 83 93100100 94 82 89 87 90 94 96 91 82 77 79 89 92 93  
POP 12HR 5 10 40 30 30  
RAIN C C S S C C  
SNOW C C C C C S C C C  
LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1  
HAINES 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2  
15K WIND DIR W W W W W W W W W SW SW SW SW W W W SW SW SW SW SW SW  
15K WIND SPD 49 55 50 50 47 39 33 31 21 13 14 26 26 27 23 19 21 28 40 42 36 35  
MIX HGT 7 7 2 2 1 2 3 6 6 6 3 2 3 2 2 3 4 3 2 2 2 2  
TRANSWND DIR NW N N N N N N W N NE NE NE NE E E E SE SE SE SE SE SE  
TRANSWND SPD 12 16 13 14 14 13 10 4 3 4 8 6 11 14 13 13 11 16 16 13 16 18  
SMOKE DISP GD GD PR PR PR PR PR PR PR PR PR PR PR PR PR PR FR FR PR PR PR PR  
 
DATE 04/15/21 FRI 04/16/21 SAT 04/17/21 SUN 04/18/21 MON 04/19/21  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
 
MAX/MIN 46 29 42 25 47 26 57 31 57  
TEMP 41 44 32 31 37 40 31 27 41 45 31 26 50 55 37 32 51 53  
DEWPT 31 31 32 31 31 30 30 27 28 26 27 25 28 26 30 29 30 28  
WIND CHAR 15> <15 <15 <15 <15 <15 <15 <15 <15  
AVG CLOUDS OV BK BK BK BK BK BK SC SC SC SC FW FW FW FW FW FW SC  
POP 12HR 50 80 70 20 20 10 10 5 10  
RAIN C C D L L C S S S  
SNOW C D L L C S S  
TSTMS IS IS IS  
 

 
 
BELOW IS A WEATHER ELEMENT KEY FOR THIS PRODUCT  
 
DAY 1 THROUGH 3...  
MAX/MIN TEMP OR MIN/MAX TEMP(F).....MAXIMUM/MINIMUM AIR TEMPERATURE  
TEMP(F).............................AIR TEMPERATURE  
DEWPT(F)............................DEW POINT TEMPERATURE  
MIN/MAX RH OR MAX/MIN RH(%).........MAXIMUM/MINIMUM HUMIDITY  
RH(%)...............................RELATIVE HUMIDITY  
WIND DIR(8 POINT COMPASS)...........WIND DIRECTION  
WIND SPD(MPH).......................WIND SPEED  
CLOUDS(CAT).........................CLOUD COVER CATEGORY  
EXAMPLE: CL = CLEAR; FW = FEW; SC = SCATTERED; BK = BROKEN; OV = OVERCAST  
CLOUDS(%)...........................CLOUD COVER AS A PERCENTAGE  
POP 12HR(%).........................PROBABILITY FOR ACCUMULATING PRECIPITATION  
WEATHER...  
TYPE...  
RAIN...........RAIN  
RAIN SHWRS.....RAIN SHOWERS  
TSTMS..........THUNDERSTORMS  
DRIZZLE........DRIZZLE  
SNOW...........SNOW  
SNOWSHWRS......SNOW SHOWERS  
SLEET..........SLEET  
FRZG RAIN......FREEZING RAIN  
FRZG DRZL......FREEZING DRIZZLE  
K..............SMOKE  
F..............FOG  
COVERAGE...  
IS.............ISOLATED  
SC.............SCATTERED  
NM.............NUMEROUS  
O..............OCCASIONAL  
S..............SLIGHT CHANCE  
C..............CHANCE  
L..............LIKELY  
WD.............WIDESPREAD  
D..............DEFINITE  
AR.............AREAS  
PA.............PATCHY  
LAL(CAT)............................LIGHTNING ACTIVITY LEVEL  
HAINES(CAT).........................HAINES INDEX  
15K WIND DIR(8 POINT COMPASS).......15000 FOOT WIND DIRECTION  
15K WIND SPD(MPH)...................15000 FOOT WIND SPEED  
MIX HGT(THOUNSANDS OF FT AGL).......MIXING HEIGHT  
EXAMPLE: 6 = 6000 FEET; 12 = 12000 FEET; <1 = LESS THAN 1000 FEET  
TRANSWND DIR(8 POINT COMPASS).......TRANSPORT WIND DIRECTION  
TRANSWND SPD(MPH)...................TRANSPORT WIND SPEED  
SMOKE DISP(CAT(KT-FT))..............SMOKE DISPERSION CATEGORY  
EXAMPLE: PR = POOR; FR = FAIR; GD = GOOD; VG = VERY GOOD; EX = EXCELLENT  
CRTCL FWX POT.......................CRITICAL FIRE WEATHER POTENTIAL  
CRTCL FWX POT USES TEMPERATURE, HUMIDITY, WIND, WIND GUST, AND HAINES  
EXAMPLE: U = UNLIKELY; P = POSSIBLE; L = LIKELY; S = SEVERE  
 
DAY 4 THROUGH 7...  
MAX/MIN TEMP OR MIN/MAX TEMP(F).....MAXIMUM/MINIMUM AIR TEMPERATURE  
TEMP(F).............................AIR TEMPERATURE  
DEWPT(F)............................DEW POINT TEMPERATURE  
RH(%)...............................RELATIVE HUMIDITY  
WIND SPD(MPH).......................WIND SPEED  
EXAMPLE: <15 = LESS THAN 15 MPH; 15> = 15 MPH OR GREATER  
AVG CLOUDS(CAT).....................AVERAGE CLOUD COVER CATEGORY  
POP 12HR(%).........................PROBABILITY FOR ACCUMULATING PRECIPITATION  
WEATHER...  
SEE DAY 1 THROUGH 3 WEATHER DESCRIPTIONS  
 
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