075  
FOUS55 KBOU 131126  
PFMBOU  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE DENVER/BOULDER CO  
426 AM MST WED DEC 13 2017  
 
COZ040-132315-  
DENVER-DENVER CO  
39.73N 104.96W ELEV. 5325 FT  
426 AM MST WED DEC 13 2017  
 
DATE WED 12/13/17 THU 12/14/17 FRI 12/15/17  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 54 25 39 22 58  
TEMP 35 34 50 53 44 37 31 28 26 29 36 39 33 26 22 23 24 29 50 58 48  
DEWPT 9 9 10 12 13 15 21 25 25 26 23 18 16 15 13 11 8 8 10 11 10  
RH 33 35 19 19 28 40 66 88 96 88 59 42 49 62 68 59 50 40 19 15 21  
WIND DIR W S E NE E E NE N NW W N N N NW SW SW SW SW SW W SW  
WIND SPD 5 4 5 6 5 5 4 4 2 4 9 11 9 3 3 3 3 4 4 5 5  
CLOUDS SC B1 SC SC B1 B2 OV OV B2 B2 SC SC SC FW FW FW SC SC SC SC FW  
POP 12HR 5 70 20 0 0  
QPF 12HR 0 0.09 0.01 0 0  
SNOW 12HR 00-00 1 T  
SNOW L L  
SNOWSHWRS S S  
WIND CHILL 25 30 32 25 17  
MIN CHILL 29 26 39 24 20 22 24 16 16 17  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE 12/19/17  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 31 48 21 44 25 55 30 57  
TEMP 33 34 46 39 27 22 40 41 27 30 52 51 36 32 54 53  
DEWPT 12 13 15 20 22 18 15 14 14 13 19 18 20 18 21 19  
PWIND DIR SW SE N S SW SW SW SW  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS FW SC B1 B1 B2 B2 B1 SC FW FW FW SC FW FW FW FW  
POP 12HR 0 20 40 10 0 0 0 0  
RAIN SHWRS S  
SNOWSHWRS S C C  
 

 
COZ039-132315-  
BOULDER-BOULDER CO  
40.02N 105.25W ELEV. 5302 FT  
426 AM MST WED DEC 13 2017  
 
DATE WED 12/13/17 THU 12/14/17 FRI 12/15/17  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 54 26 40 23 55  
TEMP 36 36 50 53 44 38 31 29 28 29 37 40 31 25 23 23 24 30 48 55 45  
DEWPT 9 9 11 12 14 17 23 24 25 24 22 17 15 13 11 10 6 7 9 11 9  
RH 32 32 20 19 29 42 72 81 88 81 54 39 51 60 59 57 45 37 20 17 22  
WIND DIR W W SE E E NE NE E S W N N NW W W W W W W W W  
WIND SPD 6 4 4 5 4 4 3 3 3 4 9 9 6 5 4 5 4 6 5 6 5  
CLOUDS B1 SC FW FW B1 B2 OV OV B2 B1 SC SC FW FW FW FW SC SC SC SC FW  
POP 12HR 5 70 20 0 0  
QPF 12HR 0 0.15 0 0 0  
SNOW 12HR 00-00 2 00-00  
RAIN S  
SNOW S S L L  
SNOWSHWRS S S  
WIND CHILL 30 34 23 18 17 16 24  
MIN CHILL 28 27 26 22 22 22 16 15 17 38  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE 12/19/17  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 33 48 22 44 26 54 31 56  
TEMP 36 34 45 39 28 22 39 41 27 30 50 51 36 33 53 52  
DEWPT 9 10 15 20 20 17 15 14 11 12 19 18 18 17 21 19  
PWIND DIR W S NE S SW W W W  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS FW SC B1 B1 B2 B2 B1 SC SC FW FW SC FW FW FW FW  
POP 12HR 0 20 40 10 0 0 0 0  
RAIN SHWRS S  
SNOWSHWRS S C C  
 

 
COZ039-132315-  
LONGMONT-BOULDER CO  
40.17N 105.11W ELEV. 5023 FT  
426 AM MST WED DEC 13 2017  
 
DATE WED 12/13/17 THU 12/14/17 FRI 12/15/17  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 55 25 42 20 56  
TEMP 34 33 49 55 45 37 32 28 27 28 38 41 32 26 22 20 20 26 47 56 46  
DEWPT 10 12 13 14 15 17 24 25 26 25 24 17 17 16 14 13 9 10 11 12 12  
RH 36 41 23 19 29 44 72 88 96 88 57 37 53 65 71 74 62 50 23 17 25  
WIND DIR NW SW SE E E NE NE NE SW W N N N SW SW W W W W W W  
WIND SPD 5 3 4 5 5 6 4 3 2 3 10 11 8 3 2 3 3 3 3 5 5  
CLOUDS B1 SC FW FW B1 B2 OV OV B2 B1 SC SC FW FW FW FW SC SC SC SC FW  
POP 12HR 5 60 20 0 0  
QPF 12HR 0 0.06 0 0 0  
SNOW 12HR 00-00 1 00-00  
SNOW S L L  
SNOWSHWRS S  
WIND CHILL 31 34 25  
MIN CHILL 29 28 27 24 24 24 20 14 15  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE 12/19/17  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 31 47 20 43 23 53 29 55  
TEMP 34 34 45 40 29 20 38 41 25 28 49 51 36 31 50 53  
DEWPT 11 13 17 22 22 18 17 16 13 13 20 19 20 18 24 21  
PWIND DIR W S N S SW W W W  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS FW SC B1 B1 B2 B2 B1 SC FW FW FW SC FW FW FW FW  
POP 12HR 0 20 40 10 0 0 0 0  
RAIN SHWRS S C  
SNOWSHWRS S C C  
 

 
COZ038-132315-  
FORT COLLINS-LARIMER CO  
40.56N 105.07W ELEV. 5000 FT  
426 AM MST WED DEC 13 2017  
 
DATE WED 12/13/17 THU 12/14/17 FRI 12/15/17  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 53 25 41 20 54  
TEMP 32 32 48 52 42 35 30 28 27 28 39 40 33 28 23 20 20 26 45 54 44  
DEWPT 10 13 15 16 16 20 25 24 24 24 21 18 17 16 14 14 11 13 15 17 15  
RH 39 45 26 24 34 54 81 85 88 85 48 41 51 60 68 77 67 57 29 23 30  
WIND DIR NW N N N NE N N N NW NW N NW NW NE W W W W W W W  
WIND SPD 9 6 8 9 6 9 5 6 3 6 16 17 13 4 3 3 4 4 5 4 5  
WIND GUST 27  
CLOUDS B1 FW FW FW B1 OV OV OV B2 B1 SC SC FW FW FW SC SC SC SC SC FW  
POP 12HR 5 50 10 0 0  
QPF 12HR 0 0.04 0 0 0  
SNOW 12HR 00-00 1 00-00  
RAIN S S  
SNOW S S C C  
WIND CHILL 24 26 28 24 21 21 30 31 23 22 13  
MIN CHILL 20 21 36 23 19 20 22 16 12 13 39  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE 12/19/17  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 29 46 20 41 22 52 27 54  
TEMP 32 32 44 37 27 20 38 38 25 26 49 47 34 29 51 49  
DEWPT 13 14 20 23 20 17 17 17 15 15 22 20 21 19 24 22  
PWIND DIR W NW N W W W W W  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS FW SC B1 B2 B2 B2 SC SC FW FW FW SC FW FW FW FW  
POP 12HR 0 20 20 5 0 0 0 0  
RAIN SHWRS S  
SNOWSHWRS S S S  
 

 
COZ041-132315-  
CASTLE ROCK-DOUGLAS CO  
39.38N 104.85W ELEV. 6329 FT  
426 AM MST WED DEC 13 2017  
 
DATE WED 12/13/17 THU 12/14/17 FRI 12/15/17  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 50 22 35 17 54  
TEMP 35 34 47 49 38 31 26 25 24 24 32 35 26 18 17 19 20 26 47 53 40  
DEWPT 4 6 8 10 11 13 20 23 23 22 21 19 17 13 10 8 5 5 9 11 10  
RH 26 30 20 20 32 47 78 92 96 92 63 52 68 80 73 61 51 40 21 18 28  
WIND DIR W W N NE E E NE N NW NW N N N NW SW SW SW SW W W SW  
WIND SPD 6 4 5 6 5 5 5 5 4 4 8 11 8 4 4 4 5 5 5 4 4  
CLOUDS FW B1 SC SC B1 B2 OV OV B2 B2 B1 B1 B1 FW FW FW SC FW FW FW FW  
POP 12HR 5 80 40 5 0  
QPF 12HR 0 0.12 0.02 0 0  
SNOW 12HR 00-00 2 T  
SNOW L D  
SNOWSHWRS C C S S  
WIND CHILL 29 19 18 18 18 25 27 17 11 10 12 12 19  
MIN CHILL 28 27 32 19 17 18 17 10 10 12 37  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE 12/19/17  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 29 46 17 40 21 52 29 55  
TEMP 31 31 44 33 23 18 37 36 24 26 50 45 33 32 53 48  
DEWPT 9 9 14 18 19 16 14 13 11 9 16 16 15 15 18 18  
PWIND DIR SW N N NW SW SW W SW  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS FW SC B1 B1 B2 B2 B1 SC FW FW FW SC FW FW FW FW  
POP 12HR 0 20 40 20 0 0 0 0  
SNOWSHWRS S C C S  
 

 
COZ041-132315-  
KIOWA-ELBERT CO  
39.34N 104.46W ELEV. 6401 FT  
426 AM MST WED DEC 13 2017  
 
DATE WED 12/13/17 THU 12/14/17 FRI 12/15/17  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 48 20 33 15 53  
TEMP 33 31 45 46 34 28 24 23 22 22 31 32 24 16 15 16 18 23 46 52 37  
DEWPT 5 7 9 11 11 13 19 23 22 22 21 19 16 15 13 9 5 5 7 10 9  
RH 30 36 22 24 38 53 81100100100 66 58 71 96 92 73 56 45 20 18 31  
WIND DIR NW NW N N NE NE N N N NW N N N N W SW SW SW W W SW  
WIND SPD 8 6 10 10 6 5 8 8 6 8 12 14 11 5 6 8 6 8 8 6 6  
CLOUDS FW B1 SC SC B1 B2 OV OV B2 B2 B1 B1 B1 FW FW FW SC SC FW FW FW  
POP 12HR 0 70 40 5 0  
QPF 12HR 0 0.09 0.01 0 0  
SNOW 12HR 00-00 1 T  
SNOW L L  
SNOWSHWRS C C  
WIND CHILL 26 25 39 28 22 15 14 13 13 21 22 13 7 6 6 9 14 31  
MIN CHILL 25 23 28 14 12 12 13 5 5 9 30  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE 12/19/17  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 28 45 15 39 20 51 26 53  
TEMP 30 31 43 30 20 16 37 33 22 25 50 40 31 28 52 44  
DEWPT 10 10 14 18 19 16 13 12 13 10 14 16 16 14 17 17  
PWIND DIR SW N N NW SW W W SW  
WIND CHAR LT LT GN LT LT LT LT LT  
AVG CLOUDS FW SC B1 B1 B2 B2 B1 SC FW FW FW FW FW FW FW FW  
POP 12HR 0 20 40 10 0 0 0 0  
SNOWSHWRS S C C  
 

 
COZ043-132315-  
GREELEY-WELD CO  
40.42N 104.74W ELEV. 4806 FT  
426 AM MST WED DEC 13 2017  
 
DATE WED 12/13/17 THU 12/14/17 FRI 12/15/17  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 54 26 43 18 54  
TEMP 28 30 47 54 43 35 31 29 27 28 40 42 36 27 22 20 18 22 43 54 43  
DEWPT 11 12 16 16 15 17 24 24 24 25 22 17 17 17 15 15 11 13 13 14 13  
RH 48 46 28 22 32 47 75 81 88 88 48 36 45 65 74 81 73 68 29 20 29  
WIND DIR N N N N NE N N N NW NW N N N N SW W SW SW W SW SW  
WIND SPD 8 5 8 9 8 8 9 8 4 5 17 20 16 5 3 2 4 3 4 4 4  
WIND GUST 27 33  
CLOUDS B1 FW FW FW B1 OV OV OV B2 B2 SC B1 SC FW FW SC SC SC SC SC FW  
POP 12HR 5 40 10 0 0  
QPF 12HR 0 0.01 0 0 0  
SNOW 12HR 00-00 T 00-00  
RAIN S  
SNOW S S C  
WIND CHILL 20 24 28 23 20 22 31 34 26 21 11  
MIN CHILL 17 16 37 22 18 20 25 16 9 10  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE 12/19/17  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 27 47 19 41 20 51 25 54  
TEMP 30 29 44 38 28 20 37 39 25 23 47 48 34 26 50 50  
DEWPT 13 14 20 23 20 18 17 16 16 14 20 19 20 18 24 21  
PWIND DIR W NW N W SW W W W  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS FW SC B1 B2 B2 B2 SC SC FW FW FW SC SC FW FW FW  
POP 12HR 0 20 20 5 0 0 0 0  
RAIN SHWRS S  
SNOWSHWRS S S S  
 

 
COZ044-132315-  
FORT MORGAN-MORGAN CO  
40.26N 103.79W ELEV. 4265 FT  
426 AM MST WED DEC 13 2017  
 
DATE WED 12/13/17 THU 12/14/17 FRI 12/15/17  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 54 25 43 17 56  
TEMP 26 31 48 53 41 34 31 28 26 29 40 42 33 25 19 17 17 22 47 56 44  
DEWPT 11 13 15 14 14 17 21 24 23 24 22 18 17 16 15 15 10 11 10 11 11  
RH 52 47 26 21 33 49 66 85 88 81 48 37 51 68 84 92 73 62 22 16 26  
WIND DIR NW NW N N N N NW NW NW NW N N N N W W W W W W SW  
WIND SPD 11 11 18 18 10 8 9 10 9 12 27 28 18 6 5 6 6 5 9 8 5  
WIND GUST 41 43  
CLOUDS B1 FW FW FW B1 B2 OV OV B2 B2 SC B1 SC FW FW SC SC SC SC SC FW  
POP 12HR 0 10 10 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
SNOW S S  
WIND CHILL 15 22 35 28 23 19 17 19 29 31 22 17 12 8 7 15  
MIN CHILL 15 18 35 22 16 17 22 11 6 6  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE 12/19/17  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 25 46 18 44 19 53 23 55  
TEMP 29 26 44 36 25 19 42 38 24 22 50 47 32 25 52 49  
DEWPT 12 12 21 23 20 16 17 14 14 13 17 18 17 17 20 19  
PWIND DIR SW N N NW SW W W SW  
WIND CHAR LT GN GN LT LT GN LT LT  
AVG CLOUDS FW SC B1 B2 B2 B1 B1 SC FW FW FW SC FW FW FW FW  
POP 12HR 0 20 20 0 0 0 0 0  
RAIN SHWRS S S  
SNOWSHWRS S S  
 

 
COZ045-132315-  
BENNETT-ADAMS CO  
39.75N 104.42W ELEV. 5489 FT  
426 AM MST WED DEC 13 2017  
 
DATE WED 12/13/17 THU 12/14/17 FRI 12/15/17  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 52 25 37 20 55  
TEMP 34 34 48 50 38 30 28 26 25 28 35 37 30 23 20 22 24 29 48 54 40  
DEWPT 9 9 12 13 13 15 21 25 25 25 23 19 17 16 15 11 7 8 9 11 11  
RH 35 35 23 22 35 53 75 96100 88 61 48 58 74 81 62 47 40 20 18 30  
WIND DIR NW NW N N NE NE N N NW NW N N N NE SW SW SW SW W W SW  
WIND SPD 6 5 9 11 8 5 9 8 8 8 16 19 16 5 8 9 10 10 11 9 6  
WIND GUST 29  
CLOUDS SC SC FW FW B1 B2 OV OV B2 B2 B1 B1 SC FW FW FW SC SC SC SC FW  
POP 12HR 0 60 30 0 0  
QPF 12HR 0 0.08 0.01 0 0  
SNOW 12HR 00-00 1 T  
SNOW L C  
SNOWSHWRS C S  
WIND CHILL 28 32 24 19 17 16 20 25 26 19 16 11 12 13 20  
MIN CHILL 28 26 32 19 16 19 19 10 10 14 34  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE 12/19/17  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 30 47 20 42 25 53 29 56  
TEMP 32 31 45 35 24 21 40 36 26 30 52 44 33 32 55 47  
DEWPT 12 12 17 21 21 18 17 13 15 12 17 17 18 17 20 19  
PWIND DIR SW N N W SW W W SW  
WIND CHAR GN GN GN GN GN GN LT LT  
AVG CLOUDS FW SC B1 B1 B2 B2 B1 SC FW FW FW SC SC FW FW FW  
POP 12HR 0 20 40 10 0 0 0 0  
RAIN SHWRS S  
SNOWSHWRS S C S  
 

 
COZ048-132315-  
STERLING-LOGAN CO  
40.63N 103.20W ELEV. 3937 FT  
426 AM MST WED DEC 13 2017  
 
DATE WED 12/13/17 THU 12/14/17 FRI 12/15/17  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 52 26 42 18 57  
TEMP 31 33 47 51 38 33 31 29 28 29 40 40 32 24 19 18 18 23 46 57 43  
DEWPT 14 15 16 16 17 19 21 23 23 24 22 18 18 17 16 16 13 14 12 12 12  
RH 49 47 28 24 42 56 66 78 81 81 48 41 56 74 88 92 80 68 25 16 28  
WIND DIR NW NW NW N N N N NW NW NW N N N NW W W W W W W W  
WIND SPD 14 17 25 24 11 10 10 10 10 14 29 29 19 8 4 6 6 8 11 10 8  
WIND GUST 37 36 44 44 29  
CLOUDS B2 FW FW FW B1 B2 B2 B2 B2 B2 SC B1 SC FW FW SC SC SC SC SC FW  
POP 12HR 0 5 5 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL 21 22 39 31 25 22 20 18 18 28 28 20 15 12 9 9 14  
MIN CHILL 19 20 31 21 17 18 20 11 9 9 37  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE 12/19/17  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 25 47 19 44 21 54 25 55  
TEMP 30 27 44 37 26 21 41 40 25 25 51 47 31 27 52 50  
DEWPT 13 14 23 24 20 18 17 15 16 16 18 20 20 19 22 20  
PWIND DIR W N N NW W W NW W  
WIND CHAR LT GN LT GN LT GN LT GN  
AVG CLOUDS FW SC B1 B2 B2 B1 B1 SC FW FW FW FW FW FW FW FW  
POP 12HR 0 30 10 0 0 0 0 0  
RAIN SHWRS C  
SNOWSHWRS C  
 

 
COZ049-132315-  
AKRON-WASHINGTON CO  
40.17N 103.21W ELEV. 4688 FT  
426 AM MST WED DEC 13 2017  
 
DATE WED 12/13/17 THU 12/14/17 FRI 12/15/17  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 52 26 40 20 54  
TEMP 31 35 48 51 39 31 30 28 28 29 38 39 30 23 20 20 23 26 46 54 42  
DEWPT 12 13 15 14 15 17 19 22 23 24 22 17 16 16 14 15 12 11 8 9 9  
RH 45 40 26 22 37 56 63 78 81 81 52 40 55 74 77 81 62 52 21 16 25  
WIND DIR NW NW NW N N N N NW NW NW N N N NW W W W W W W SW  
WIND SPD 17 18 25 24 13 11 11 11 12 17 31 29 20 11 9 10 12 12 13 12 9  
WIND GUST 37 37 47 44 31  
CLOUDS B1 FW FW FW B1 B2 OV OV B2 B2 B1 B1 SC FW FW SC SC SC SC SC FW  
POP 12HR 0 10 20 0 0  
QPF 12HR 0 0 0.01 0 0  
SNOW 12HR 00-00 00-00 T  
SNOWSHWRS S  
WIND CHILL 20 24 31 21 21 18 17 17 25 27 17 11 10 8 12 15  
MIN CHILL 20 19 30 19 16 15 17 8 7 11 36  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE 12/19/17  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 28 46 20 41 22 52 27 54  
TEMP 32 29 44 34 24 21 39 37 24 27 50 46 33 29 53 46  
DEWPT 11 13 21 23 20 18 17 14 14 13 17 17 17 18 19 17  
PWIND DIR W N N NW W W W SW  
WIND CHAR GN GN GN GN GN GN GN GN  
AVG CLOUDS FW SC B1 B2 B2 B1 B1 SC FW FW FW FW FW FW FW FW  
POP 12HR 0 20 20 5 0 0 0 0  
RAIN SHWRS S  
SNOWSHWRS S S  
 

 
COZ050-132315-  
SEDGWICK-SEDGWICK CO  
40.93N 102.52W ELEV. 3579 FT  
426 AM MST WED DEC 13 2017  
 
DATE WED 12/13/17 THU 12/14/17 FRI 12/15/17  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 53 27 41 18 56  
TEMP 34 32 47 52 38 31 30 29 27 30 39 40 30 23 18 18 18 25 47 56 40  
DEWPT 16 17 18 18 19 20 22 23 22 25 22 19 18 17 16 16 13 15 14 14 14  
RH 47 53 31 26 46 63 72 78 81 81 50 42 60 77 92 92 80 65 26 19 34  
WIND DIR NW NW NW NW N N N NW NW NW N N N NW W W W W W W W  
WIND SPD 23 21 28 26 13 10 10 9 10 14 29 31 18 9 5 6 8 8 12 11 6  
WIND GUST 34 33 43 40 44 47  
CLOUDS B2 CL FW FW SC B2 B2 B1 B2 B1 B1 B1 SC FW FW SC SC SC SC SC FW  
POP 12HR 0 5 5 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL 21 19 38 30 22 21 21 17 19 27 28 18 14 10 9 7 16  
MIN CHILL 20 17 28 20 17 16 17 10 7 8 34  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE 12/19/17  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 25 46 19 43 21 52 23 53  
TEMP 28 25 43 34 25 20 42 36 24 25 51 43 30 25 52 44  
DEWPT 13 14 24 23 20 18 18 14 16 15 20 20 20 19 22 20  
PWIND DIR W N N NW W W NW W  
WIND CHAR LT GN GN GN LT GN LT LT  
AVG CLOUDS FW SC B1 B2 B2 B1 SC SC FW FW FW FW FW FW FW FW  
POP 12HR 0 40 10 0 0 0 0 0  
RAIN SHWRS C  
SNOWSHWRS C  
 

 
COZ051-132315-  
HOLYOKE-PHILLIPS CO  
40.58N 102.30W ELEV. 3747 FT  
426 AM MST WED DEC 13 2017  
 
DATE WED 12/13/17 THU 12/14/17 FRI 12/15/17  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 53 27 42 19 56  
TEMP 33 36 49 52 37 30 29 28 28 30 40 41 33 26 21 19 20 26 47 56 41  
DEWPT 16 16 17 18 18 20 21 22 22 25 23 18 18 18 16 16 14 14 12 11 12  
RH 49 43 28 26 46 66 72 78 78 81 50 39 53 71 81 88 77 60 24 16 30  
WIND DIR NW NW NW NW N N N NW NW NW NW N N NW W W W W W W W  
WIND SPD 20 23 28 26 13 10 10 9 10 17 29 29 21 10 6 6 9 10 13 12 6  
WIND GUST 31 34 43 40 44 44 33  
CLOUDS B2 CL FW FW SC B2 B2 B2 B2 B2 B1 B1 B1 FW FW SC SC SC SC SC FW  
POP 12HR 0 5 10 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL 21 24 28 21 20 19 18 18 28 30 20 16 12 10 9 17  
MIN CHILL 21 21 28 19 17 17 19 11 8 9 36  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE 12/19/17  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 26 47 21 43 22 53 25 54  
TEMP 30 26 45 35 26 22 42 37 25 26 52 46 32 27 53 44  
DEWPT 12 14 21 23 21 18 16 14 15 15 18 19 20 19 21 20  
PWIND DIR W N N NW W W NW SW  
WIND CHAR LT GN GN GN GN GN LT LT  
AVG CLOUDS FW SC B1 B2 B2 B1 SC SC FW FW FW FW FW FW FW FW  
POP 12HR 0 30 10 0 0 0 0 0  
RAIN SHWRS C  
SNOWSHWRS C  
 

 
COZ046-132315-  
LIMON-LINCOLN CO  
39.27N 103.67W ELEV. 5407 FT  
426 AM MST WED DEC 13 2017  
 
DATE WED 12/13/17 THU 12/14/17 FRI 12/15/17  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 51 22 38 12 56  
TEMP 23 28 46 50 37 30 27 25 24 23 33 38 29 21 16 13 12 20 48 55 40  
DEWPT 9 10 12 12 13 14 18 24 23 23 23 19 17 14 13 12 7 7 5 6 8  
RH 54 46 25 21 37 51 68 96 96100 66 46 60 74 88 96 80 56 17 13 26  
WIND DIR N N N N N N N N NW NW N N N N NW W W W W W SW  
WIND SPD 12 13 21 19 9 8 12 11 10 14 21 25 18 12 5 5 6 5 8 9 5  
WIND GUST 34 29 33 37  
CLOUDS SC B1 SC SC B1 B2 OV OV B2 B2 B1 B1 SC FW FW SC SC SC SC SC FW  
POP 12HR 0 20 20 0 0  
QPF 12HR 0 0.01 0.01 0 0  
SNOW 12HR 00-00 00-00 T  
SNOW S S  
SNOWSHWRS S S  
WIND CHILL 12 16 38 31 22 16 14 14 10 21 26 17 8 7 4 2 12  
MIN CHILL 11 12 30 16 13 10 17 5 1 3 35  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE 12/19/17  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 21 47 16 40 15 53 20 56  
TEMP 23 24 44 34 22 17 38 36 20 19 51 42 27 23 54 44  
DEWPT 9 9 17 20 19 16 15 12 12 11 15 15 14 14 17 16  
PWIND DIR SW N N NW W W W SW  
WIND CHAR LT GN GN LT LT LT LT LT  
AVG CLOUDS FW SC B1 B1 B2 B1 B1 SC FW FW FW FW FW FW FW FW  
POP 12HR 0 5 30 5 0 0 0 0  
SNOWSHWRS C  
 

 
COZ047-132315-  
KARVAL-LINCOLN CO  
38.73N 103.53W ELEV. 5121 FT  
426 AM MST WED DEC 13 2017  
 
DATE WED 12/13/17 THU 12/14/17 FRI 12/15/17  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 54 27 41 17 55  
TEMP 29 34 49 53 40 31 30 27 28 29 38 40 32 24 20 17 18 25 48 54 41  
DEWPT 10 11 13 12 13 15 17 24 23 23 22 19 16 14 14 13 11 11 6 6 5  
RH 44 38 23 19 33 51 58 88 81 78 52 42 51 65 77 84 73 55 17 14 22  
WIND DIR N N N N N N N N N N N N N N NW W W W SW SW SW  
WIND SPD 14 18 21 17 8 8 11 12 10 13 20 24 17 12 5 6 9 5 10 10 5  
WIND GUST 33 31 36  
CLOUDS SC B1 SC SC B1 B2 OV OV OV B2 B1 SC SC FW FW FW FW SC FW FW FW  
POP 12HR 0 20 20 0 0  
QPF 12HR 0 0.01 0.01 0 0  
SNOW 12HR 00-00 T T  
SNOW S S  
SNOWSHWRS S S  
WIND CHILL 18 23 24 21 17 19 18 27 30 21 12 12 8 8 18  
MIN CHILL 18 18 35 19 16 17 20 11 6 9 36  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE 12/19/17  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 24 50 20 42 18 54 23 56  
TEMP 28 26 48 36 24 21 40 38 22 23 53 43 28 26 55 46  
DEWPT 9 8 16 19 20 17 15 11 12 11 14 13 13 13 17 14  
PWIND DIR W N N NW W W W SW  
WIND CHAR LT GN GN GN LT LT LT LT  
AVG CLOUDS FW FW SC B1 B1 B1 B1 SC FW FW FW FW FW FW FW FW  
POP 12HR 0 5 30 5 0 0 0 0  
RAIN SHWRS C  
SNOWSHWRS C S  
 

 
COZ035-132315-  
ESTES PARK-LARIMER CO  
40.37N 105.52W ELEV. 7638 FT  
426 AM MST WED DEC 13 2017  
 
DATE WED 12/13/17 THU 12/14/17 FRI 12/15/17  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 47 22 34 19 45  
TEMP 34 32 43 46 37 30 26 25 25 24 31 33 23 21 19 19 22 26 38 45 34  
DEWPT 4 6 9 11 11 18 19 18 17 13 11 9 7 6 3 4 1 2 3 7 5  
RH 27 33 24 24 33 60 74 74 71 62 43 36 50 52 49 51 39 35 22 20 29  
WIND DIR W W W NW NE SE E NE NW NW NW NW NW W W W W W W W W  
WIND SPD 12 8 5 4 4 4 4 3 4 5 11 12 10 8 8 10 10 10 10 10 9  
CLOUDS SC FW FW FW B2 OV OV OV B2 SC SC SC FW FW SC FW SC SC SC SC FW  
POP 12HR 10 90 30 5 0  
QPF 12HR 0 0.09 0 0 0  
SNOW 12HR 00-00 1 00-00  
SNOW C L D D  
SNOWSHWRS C C S S  
WIND CHILL 25 25 19 17 22 24 12 11 9 8 12 16 32 27  
MIN CHILL 24 23 32 20 18 16 11 9 7 11 25  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE 12/19/17  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 27 39 19 36 21 45 26 47  
TEMP 29 28 36 29 23 20 34 31 22 27 44 38 29 28 46 39  
DEWPT 2 4 9 14 12 9 8 8 5 6 12 13 12 11 14 14  
PWIND DIR W W NW W W W W W  
WIND CHAR GN LT LT LT LT GN GN GN  
AVG CLOUDS FW SC B1 B2 B2 B2 B1 SC SC FW FW SC SC FW FW FW  
POP 12HR 5 40 40 10 0 0 5 0  
SNOWSHWRS S C C C S  
 

 
COZ036-132315-  
BLACK HAWK-GILPIN CO  
39.80N 105.49W ELEV. 8071 FT  
426 AM MST WED DEC 13 2017  
 
DATE WED 12/13/17 THU 12/14/17 FRI 12/15/17  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 44 19 28 16 42  
TEMP 32 31 40 43 33 28 23 20 20 21 28 26 20 17 16 17 19 25 37 42 34  
DEWPT 1 3 6 9 9 13 17 17 17 16 12 10 8 6 3 2 -2 -1 2 6 4  
RH 26 30 24 24 36 53 77 88 88 81 50 50 59 61 56 51 39 31 22 22 27  
WIND DIR W W W NW NE NE E E E NW NW NW NW W W W W W W W W  
WIND SPD 13 9 5 4 3 3 4 3 3 3 10 9 9 9 6 9 10 12 11 11 8  
CLOUDS SC B1 SC SC B2 OV OV OV B2 B1 SC SC FW FW FW FW SC SC SC FW FW  
POP 12HR 10 80 40 5 0  
QPF 12HR 0 0.14 0.01 0 0  
SNOW 12HR 00-00 2 T  
SNOW S L D D  
SNOWSHWRS C C S S  
WIND CHILL 22 23 17 19 16 10 6 6 6 8 14 29 35 27  
MIN CHILL 21 19 29 16 14 15 7 4 4 9 26  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE 12/19/17  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 25 35 16 30 18 41 24 44  
TEMP 29 25 34 28 20 16 28 29 19 24 40 36 28 26 42 38  
DEWPT 2 3 8 13 13 10 9 8 4 6 12 12 11 10 13 13  
PWIND DIR W NW N W W W W W  
WIND CHAR GN LT LT LT LT GN GN GN  
AVG CLOUDS FW SC B1 B2 B2 B2 B1 SC SC FW FW SC FW FW FW FW  
POP 12HR 0 40 50 20 0 0 0 0  
SNOWSHWRS S C C C S  
 

 
COZ036-132315-  
CONIFER-JEFFERSON CO  
39.52N 105.30W ELEV. 8363 FT  
426 AM MST WED DEC 13 2017  
 
DATE WED 12/13/17 THU 12/14/17 FRI 12/15/17  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 43 15 28 14 46  
TEMP 31 29 40 42 33 26 19 19 16 19 27 26 18 15 14 17 18 23 40 45 33  
DEWPT -1 2 5 7 9 11 18 18 16 17 15 13 9 7 2 -1 -1 0 4 6 5  
RH 24 31 23 23 36 52 96 96100 92 60 57 67 70 58 44 42 36 22 20 30  
WIND DIR NW W NE NE NE NE E NE N N N N N NW W W W W W W W  
WIND SPD 10 5 3 4 4 5 4 4 3 3 6 8 8 5 4 6 5 6 6 6 5  
CLOUDS SC B1 SC SC B1 OV OV OV B2 B2 SC B1 SC FW FW FW SC SC SC FW FW  
POP 12HR 10 80 40 5 0  
QPF 12HR 0 0.16 0.03 0 0  
SNOW 12HR 00-00 2 T  
SNOW S L D  
SNOWSHWRS C C S S  
WIND CHILL 23 20 12 13 10 19 17 9 5 6 8 9 16  
MIN CHILL 22 19 27 12 9 11 8 4 4 9 26  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE 12/19/17  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 24 37 11 32 17 44 24 47  
TEMP 26 27 36 26 16 12 28 29 18 22 43 37 27 26 46 40  
DEWPT 4 5 9 14 14 10 10 9 6 6 12 12 12 10 14 13  
PWIND DIR W NW N SE W W W W  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS FW SC B1 B1 B2 B2 B1 SC SC FW FW FW FW FW FW FW  
POP 12HR 0 30 50 30 0 0 0 0  
SNOWSHWRS C C C C  
 

 
COZ030-132315-  
WALDEN-JACKSON CO  
40.73N 106.28W ELEV. 8100 FT  
426 AM MST WED DEC 13 2017  
 
DATE WED 12/13/17 THU 12/14/17 FRI 12/15/17  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 38 10 24 5 34  
TEMP 14 16 33 38 31 22 20 17 13 12 21 23 15 9 8 6 5 9 26 34 23  
DEWPT 5 7 12 14 14 19 20 17 13 12 15 14 11 9 7 6 4 4 10 12 9  
RH 67 67 41 37 49 88100100100100 77 68 84100 96100 95 80 50 39 54  
WIND DIR SW S SW W NW NW N N N NW NW NW NW SW SW SW SW SW SW SW SW  
WIND SPD 5 4 4 4 5 3 5 6 5 5 12 12 9 5 5 5 9 6 11 11 9  
CLOUDS B1 FW SC SC B2 B2 B2 B2 B2 B1 SC SC SC SC SC SC SC SC SC FW FW  
POP 12HR 10 80 20 0 0  
QPF 12HR 0 0.07 0 0 0  
SNOW 12HR 00-00 1 00-00  
SNOW C D D L  
SNOWSHWRS S S  
WIND CHILL 5 9 25 12 8 4 3 8 11 3 -2 -2 -5 -9 -2 15 26 13  
MIN CHILL 5 5 24 11 4 3 2 -2 -9 -8 13  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE 12/19/17  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 15 29 6 26 7 35 15 38  
TEMP 19 15 25 19 10 7 24 23 11 11 33 30 18 18 37 29  
DEWPT 6 6 16 15 10 6 11 11 6 6 14 15 13 12 17 16  
PWIND DIR SW W W W SW SW SW SW  
WIND CHAR GN GN LT LT LT GN GN GN  
AVG CLOUDS FW SC B1 B2 B2 B1 B1 SC FW FW SC SC SC SC SC FW  
POP 12HR 10 50 30 10 0 5 10 5  
SNOWSHWRS C C C C  
 

 
COZ032-132315-  
DILLON-SUMMIT CO  
39.62N 106.04W ELEV. 9019 FT  
426 AM MST WED DEC 13 2017  
 
DATE WED 12/13/17 THU 12/14/17 FRI 12/15/17  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 44 14 27 7 40  
TEMP 21 20 39 44 35 27 23 19 17 17 25 26 19 15 9 9 8 12 32 40 29  
DEWPT 0 1 6 8 8 13 16 16 16 15 13 11 10 9 4 5 1 2 6 8 6  
RH 39 43 25 22 32 55 74 88 96 92 60 52 67 77 80 83 72 63 33 26 37  
WIND DIR W W W NW NW NW S NW NW NW NW NW NW NW W W W W W W W  
WIND SPD 8 5 6 6 5 4 3 4 3 6 11 12 13 11 3 3 4 3 4 6 4  
CLOUDS FW B1 SC B1 B2 OV OV OV B2 B2 B1 B1 B1 SC SC FW SC FW FW FW SC  
POP 12HR 10 80 40 5 0  
QPF 12HR 0 0.10 0.01 0 0  
SNOW 12HR 00-00 1 T  
SNOW S C L D  
SNOWSHWRS C C S S  
WIND CHILL 12 13 12 7 15 15 6 2 2 2 0 6  
MIN CHILL 10 7 30 17 10 6 5 -1 -1 -1 23  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE 12/19/17  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 17 35 10 29 10 39 15 44  
TEMP 20 17 32 25 15 11 27 26 13 13 37 32 22 17 42 36  
DEWPT 5 5 11 12 11 7 10 9 6 5 12 12 11 9 14 13  
PWIND DIR W W NW W W W W W  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS FW SC B1 B1 B2 B2 B1 SC SC FW FW SC SC FW FW FW  
POP 12HR 0 30 40 20 0 0 5 0  
SNOWSHWRS S C C C S  
 

 
COZ032-132315-  
GRANBY-GRAND CO  
40.09N 105.94W ELEV. 8174 FT  
426 AM MST WED DEC 13 2017  
 
DATE WED 12/13/17 THU 12/14/17 FRI 12/15/17  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 44 14 31 7 39  
TEMP 18 18 34 44 37 29 25 21 19 16 27 31 23 17 15 13 7 12 27 39 30  
DEWPT 3 4 9 10 11 17 19 18 18 15 16 13 12 12 8 8 3 3 9 10 9  
RH 51 53 35 24 33 60 78 88 96 96 63 47 62 80 73 80 83 66 46 30 41  
WIND DIR W W W W NW W E E NW NW NW NW NW W W W SW W W W W  
WIND SPD 4 3 3 4 3 3 2 2 2 3 9 10 10 6 3 2 2 2 4 8 3  
CLOUDS SC SC SC SC B2 OV OV OV B2 B1 B1 SC SC SC SC SC SC SC SC FW FW  
POP 12HR 10 80 30 5 0  
QPF 12HR 0 0.09 0 0 0  
SNOW 12HR 00-00 1 00-00  
SNOW C L D D  
SNOWSHWRS C C  
WIND CHILL 11 10 18 22 13 9  
MIN CHILL 9 9 33 24 19 9 12 7 7 7 25  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE 12/19/17  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 15 34 12 32 11 40 16 43  
TEMP 22 16 29 27 19 12 26 31 16 14 36 38 25 17 38 40  
DEWPT 6 4 15 16 12 9 13 13 7 6 15 16 14 10 18 17  
PWIND DIR SW W NW W SW W W W  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS FW SC B1 B2 B2 B2 B1 SC SC FW SC SC SC SC FW FW  
POP 12HR 0 40 40 10 0 0 5 0  
SNOWSHWRS S C C C  
 

 
COZ037-132315-  
FAIRPLAY-PARK CO  
39.22N 106.00W ELEV. 9947 FT  
426 AM MST WED DEC 13 2017  
 
DATE WED 12/13/17 THU 12/14/17 FRI 12/15/17  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 41 14 25 10 37  
TEMP 22 25 37 40 29 24 19 17 15 17 24 23 12 12 10 13 13 19 32 36 24  
DEWPT 0 2 6 9 8 12 16 16 14 14 12 8 4 4 0 -1 -3 -1 7 9 4  
RH 37 36 27 27 40 60 88 96 96 88 60 52 70 70 63 53 48 40 34 32 41  
WIND DIR NW NW NW NW NW NW SE SE SE NW NW NW NW NW NW NW NW NW NW NW W  
WIND SPD 11 9 8 9 6 3 4 4 4 4 11 14 13 12 10 10 11 8 10 9 8  
CLOUDS FW B1 SC B1 B2 OV OV OV B2 B1 SC SC SC FW FW FW FW FW FW FW FW  
POP 12HR 5 80 40 5 0  
QPF 12HR 0 0.11 0.02 0 0  
SNOW 12HR 00-00 2 T  
SNOW C L D  
SNOWSHWRS C C S S  
WIND CHILL 10 15 31 34 22 12 10 8 10 13 10 -4 -4 -4 0 -1 9 23 29 15  
MIN CHILL 9 9 21 12 8 9 -5 -6 -3 1 14  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE 12/19/17  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 17 32 9 27 11 37 16 40  
TEMP 18 17 30 20 11 10 26 21 12 16 36 29 19 19 39 31  
DEWPT 2 3 9 9 7 5 9 6 3 2 12 9 8 7 14 10  
PWIND DIR W W NW W W W W W  
WIND CHAR GN LT LT LT GN GN GN GN  
AVG CLOUDS FW SC SC B1 B2 B1 B1 SC SC FW FW FW FW FW FW FW  
POP 12HR 0 30 40 20 0 0 0 0  
SNOWSHWRS C C C S  
 

 
COZ037-132315-  
HARTSEL-PARK CO  
39.02N 105.80W ELEV. 8993 FT  
426 AM MST WED DEC 13 2017  
 
DATE WED 12/13/17 THU 12/14/17 FRI 12/15/17  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 46 14 29 8 42  
TEMP 20 22 40 46 35 28 21 18 15 17 27 27 17 11 8 9 11 14 36 41 29  
DEWPT -1 0 3 6 7 11 18 17 15 15 14 8 6 6 2 1 -2 -1 4 7 6  
RH 39 37 21 19 30 48 88 96100 92 57 44 61 80 76 69 55 50 25 24 37  
WIND DIR NW NW W W NW NE E E E W NW NW NW NW NW NW W NW W W W  
WIND SPD 9 5 4 5 5 5 5 6 4 3 5 10 9 10 5 6 6 5 6 9 6  
CLOUDS FW B1 SC B1 B2 OV OV OV B2 B1 SC FW FW FW FW FW FW FW FW FW FW  
POP 12HR 5 90 30 5 0  
QPF 12HR 0 0.12 0.01 0 0  
SNOW 12HR 00-00 2 T  
SNOW C L D  
SNOWSHWRS C C  
WIND CHILL 10 15 21 13 10 9 20 17 5 -3 -2 -3 1 5 30 35 22  
MIN CHILL 9 8 30 12 8 10 4 -4 -3 0 21  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE 12/19/17  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 17 36 9 31 11 41 17 44  
TEMP 18 18 32 25 15 10 27 29 14 16 38 37 21 20 42 38  
DEWPT 4 3 8 9 9 6 9 7 5 4 11 10 10 8 13 11  
PWIND DIR W W N W W W W W  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS FW SC SC B1 B1 B1 B1 SC SC FW FW FW FW FW FW FW  
POP 12HR 0 20 30 20 0 0 0 0  
SNOWSHWRS S C C S  
 

 
COZ034-132315-  
GEORGETOWN-CLEAR CREEK CO  
39.71N 105.70W ELEV. 8586 FT  
426 AM MST WED DEC 13 2017  
 
DATE WED 12/13/17 THU 12/14/17 FRI 12/15/17  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 36 15 22 10 34  
TEMP 27 25 34 35 28 23 19 17 16 17 21 20 12 10 10 11 12 17 29 34 24  
DEWPT -2 -1 4 7 8 13 15 14 15 14 13 10 9 6 2 0 -3 0 6 7 5  
RH 28 31 27 30 42 65 84 88 96 88 71 64 87 83 69 60 50 46 37 32 43  
WIND DIR W W W W NW NW E E N NW NW NW NW NW W W W W W W W  
WIND SPD 14 11 10 9 4 4 4 4 8 9 14 14 14 14 13 14 16 12 14 12 10  
WIND GUST 25 25 25 27 27 24 25 27 25 26 24  
CLOUDS SC B1 SC SC B2 OV OV OV B2 B2 SC SC SC FW FW FW SC FW FW FW FW  
POP 12HR 10 90 40 10 0  
QPF 12HR 0 0.15 0.02 0 0  
SNOW 12HR 00-00 2 1  
SNOW C L D D  
SNOWSHWRS C C C C  
WIND CHILL 16 15 27 28 22 13 11 6 6 7 6 -5 -7 -7 -5 -5 4 18 25 14  
MIN CHILL 14 12 20 11 2 2 -8 -8 -7 -3 13  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE 12/19/17  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 20 27 11 24 13 33 19 36  
TEMP 23 21 27 20 15 11 23 18 13 16 32 26 22 20 35 29  
DEWPT 2 3 9 13 10 7 10 8 3 4 13 12 10 8 15 13  
PWIND DIR W W NW W W W W W  
WIND CHAR GN GN GN GN GN GN GN GN  
AVG CLOUDS FW SC B1 B2 B2 B2 B1 SC SC FW FW SC SC FW FW FW  
POP 12HR 0 40 50 20 0 5 5 0  
SNOWSHWRS S C C C C  
 

 
COZ032-132315-  
KREMMLING AIRPORT-GRAND CO  
40.05N 106.37W ELEV. 7410 FT  
426 AM MST WED DEC 13 2017  
 
DATE WED 12/13/17 THU 12/14/17 FRI 12/15/17  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 43 16 33 7 39  
TEMP 16 14 33 43 36 27 23 21 19 18 29 33 25 16 13 10 7 10 28 39 28  
DEWPT 3 4 11 12 12 18 20 19 19 18 18 15 15 13 8 8 4 5 10 12 10  
RH 56 64 39 28 36 68 88 92100100 63 47 65 88 80 91 87 80 46 32 46  
WIND DIR SW S SW NW N N N NW NW NW NW N NW W SW SW S S SW W SW  
WIND SPD 2 2 2 2 3 3 2 4 4 3 9 9 8 3 3 2 2 2 3 5 3  
CLOUDS SC B1 SC SC B2 OV OV OV B2 B1 SC SC SC SC SC FW SC FW SC FW FW  
POP 12HR 5 70 20 0 0  
QPF 12HR 0 0.05 0 0 0  
SNOW 12HR 00-00 1 00-00  
SNOW C C D L  
SNOWSHWRS S S  
WIND CHILL 15 13 21 25 16  
MIN CHILL 14 11 32 21 12 12 15 7 6 6 24  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE 12/19/17  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 14 34 13 31 10 38 16 42  
TEMP 19 14 27 26 17 14 26 29 14 14 34 36 23 18 39 38  
DEWPT 7 6 15 17 14 11 13 13 8 8 16 16 15 12 18 17  
PWIND DIR SW W NW W SW SW SW SW  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS FW SC B1 B2 B2 B2 B1 SC SC SC SC SC SC SC SC FW  
POP 12HR 0 30 30 5 0 0 5 0  
SNOWSHWRS C C S  
 

 
COZ040-132315-  
DENVER INT'L AIRPORT-DENVER CO  
39.83N 104.65W ELEV. 5379 FT  
426 AM MST WED DEC 13 2017  
 
DATE WED 12/13/17 THU 12/14/17 FRI 12/15/17  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 53 26 39 21 57  
TEMP 34 33 49 51 39 33 29 27 27 29 36 38 31 24 21 21 25 29 51 56 42  
DEWPT 8 9 12 13 13 15 21 25 26 26 23 19 16 16 15 13 8 9 10 11 11  
RH 33 36 22 21 34 47 72 92 96 88 59 46 53 71 77 71 48 42 19 16 28  
WIND DIR S S NE NE E E NE N NW W N N N E SW SW SW SW SW W SW  
WIND SPD 8 5 6 9 8 6 8 6 6 8 14 17 13 8 8 8 9 10 9 8 8  
CLOUDS SC SC FW FW B1 B2 OV OV B2 B2 B1 B1 SC FW FW FW SC SC SC SC FW  
POP 12HR 5 60 20 0 0  
QPF 12HR 0 0.08 0.01 0 0  
SNOW 12HR 00-00 1 T  
SNOW L L  
SNOWSHWRS S S  
WIND CHILL 27 27 21 20 19 21 27 29 21 15 12 11 16 20  
MIN CHILL 26 26 33 21 18 19 21 11 11 16 37  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE 12/19/17  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 30 47 21 43 25 54 29 57  
TEMP 32 30 45 35 25 22 41 38 27 30 53 47 34 32 55 50  
DEWPT 13 12 17 21 21 19 17 14 15 12 18 17 19 18 21 20  
PWIND DIR SW NE N SW SW SW SW SW  
WIND CHAR LT LT GN LT LT GN LT GN  
AVG CLOUDS FW SC B1 B1 B2 B2 B1 SC FW FW FW SC SC FW FW FW  
POP 12HR 0 20 40 10 0 0 0 0  
RAIN SHWRS S  
SNOWSHWRS S C C  
 

 
COZ040-132315-  
CENTENNIAL AIRPORT-DOUGLAS CO  
39.57N 104.85W ELEV. 5822 FT  
426 AM MST WED DEC 13 2017  
 
DATE WED 12/13/17 THU 12/14/17 FRI 12/15/17  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 52 26 37 21 57  
TEMP 36 35 49 51 42 35 30 29 28 29 35 37 32 25 21 22 25 29 50 57 46  
DEWPT 7 8 10 12 13 14 21 24 25 24 22 18 16 15 13 10 7 6 8 11 10  
RH 29 32 20 20 30 41 69 81 88 81 59 46 51 65 71 59 46 37 18 16 23  
WIND DIR W SE E NE E E NE N N NW N N N N SW SW SW SW SW W SW  
WIND SPD 5 5 5 6 5 5 5 5 4 5 8 12 10 5 4 5 5 6 5 5 4  
CLOUDS SC B1 SC SC B1 B2 OV OV B2 B2 B1 B1 SC FW FW FW SC SC SC SC FW  
POP 12HR 5 70 30 5 0  
QPF 12HR 0 0.11 0.01 0 0  
SNOW 12HR 00-00 2 T  
SNOW L L  
SNOWSHWRS C C  
WIND CHILL 23 23 28 29 23 18 14 14 18 22  
MIN CHILL 30 28 38 24 21 22 21 13 12 17  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE 12/19/17  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 31 47 21 43 24 54 30 57  
TEMP 31 33 45 38 26 22 39 41 25 30 52 50 35 33 55 52  
DEWPT 11 11 14 19 21 18 14 13 13 11 17 16 18 16 19 18  
PWIND DIR SW E N SW SW SW SW SW  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS FW SC B1 B1 B2 B2 B1 SC FW FW FW SC FW FW FW FW  
POP 12HR 0 20 40 20 0 0 0 0  
RAIN SHWRS S  
SNOWSHWRS S C C S  
 

 
COZ039-132315-  
ROCKY MOUNTAIN AIRPORT-BROOMFIELD CO  
39.91N 105.12W ELEV. 5655 FT  
426 AM MST WED DEC 13 2017  
 
DATE WED 12/13/17 THU 12/14/17 FRI 12/15/17  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 53 26 40 23 57  
TEMP 38 37 49 52 44 37 31 27 26 29 37 40 32 25 23 23 26 31 49 57 47  
DEWPT 8 9 11 12 13 16 22 25 26 25 23 18 16 15 13 11 7 7 8 10 9  
RH 28 31 21 20 28 42 69 92100 85 56 41 51 65 65 59 44 36 18 15 21  
WIND DIR W SW SE E E NE NE NE W W N N NW W W W W W W W W  
WIND SPD 8 5 6 6 5 5 4 3 3 6 10 10 9 5 3 5 3 5 5 8 5  
CLOUDS B1 SC FW FW B1 B2 OV OV B2 B1 SC SC SC FW FW FW SC SC SC SC FW  
POP 12HR 5 70 20 0 0  
QPF 12HR 0 0.11 0 0 0  
SNOW 12HR 00-00 1 00-00  
SNOW S L L  
SNOWSHWRS S S  
WIND CHILL 32 23 30 33 24 19 17 25  
MIN CHILL 32 30 26 22 22 24 18 16 20  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE 12/19/17  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 33 47 21 43 25 54 31 57  
TEMP 35 36 45 38 27 22 38 41 26 32 51 51 37 33 53 53  
DEWPT 10 11 14 21 22 18 15 15 12 12 19 17 19 18 21 19  
PWIND DIR W S NE SE SW SW W SW  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS FW SC B1 B1 B2 B2 B1 SC FW FW FW SC FW FW FW FW  
POP 12HR 0 30 40 20 0 0 0 0  
RAIN SHWRS C  
SNOWSHWRS C C C S  
 

 
COZ040-132315-  
BUCKLEY AFB-ARAPAHOE CO  
39.71N 104.76W ELEV. 5661 FT  
426 AM MST WED DEC 13 2017  
 
DATE WED 12/13/17 THU 12/14/17 FRI 12/15/17  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 53 26 37 22 57  
TEMP 35 34 49 52 42 34 30 28 27 29 35 37 31 25 22 22 25 30 50 57 46  
DEWPT 8 9 11 13 13 15 21 25 25 25 23 19 16 16 14 11 7 7 9 11 10  
RH 32 35 21 21 30 45 69 88 92 85 61 48 53 68 71 62 46 37 19 16 23  
WIND DIR SW SE E NE E E NE N NW W N N N E SW SW SW SW SW W SW  
WIND SPD 6 5 6 9 6 6 6 5 5 6 11 14 12 6 5 6 6 8 6 6 6  
CLOUDS SC B1 SC SC B1 B2 OV OV B2 B2 B1 B1 SC FW FW FW SC SC SC SC FW  
POP 12HR 5 70 30 0 0  
QPF 12HR 0 0.09 0.01 0 0  
SNOW 12HR 00-00 1 T  
SNOW L L  
SNOWSHWRS C S  
WIND CHILL 29 28 23 22 21 22 27 28 21 17 15 14 17 23  
MIN CHILL 28 27 36 23 20 21 21 15 14 17  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE 12/19/17  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 31 47 21 43 25 54 31 57  
TEMP 33 32 45 37 25 22 40 41 27 30 52 50 35 33 54 52  
DEWPT 12 11 15 20 21 18 15 13 14 12 17 17 18 17 20 19  
PWIND DIR SW E N SW SW SW SW SW  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS FW SC B1 B1 B2 B2 B1 SC FW FW FW SC FW FW FW FW  
POP 12HR 0 20 40 10 0 0 0 0  
RAIN SHWRS S  
SNOWSHWRS S C C  
 

 
COZ034-132315-  
COPPER MOUNTAIN, RED CLIFF PASS-SUMMIT CO  
39.47N 106.15W ELEV. 12070 FT  
426 AM MST WED DEC 13 2017  
 
DATE WED 12/13/17 THU 12/14/17 FRI 12/15/17  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 35 12 20 6 32  
TEMP 23 19 31 34 27 22 19 18 16 14 19 19 11 8 6 7 8 9 26 32 23  
DEWPT -3 -3 4 6 6 10 14 15 13 11 10 9 7 3 -2 -3 -7 -6 2 5 1  
RH 31 37 31 30 40 59 80 88 88 88 67 64 83 79 69 63 49 49 35 31 38  
WIND DIR W W W W W W SW NW N NW NW NW NW NW NW NW W NW W NW W  
WIND SPD 11 6 8 10 9 6 5 5 4 10 13 17 19 13 6 5 6 5 8 9 6  
WIND GUST 24 29 33 24  
CLOUDS FW B1 SC B1 B2 OV OV OV B2 B2 B1 B1 SC SC FW FW FW FW FW FW FW  
POP 12HR 10 80 40 10 0  
QPF 12HR 0 0.15 0.03 0 0  
SNOW 12HR 00-00 2 1  
SNOW S C L D  
SNOWSHWRS C C C C  
WIND CHILL 11 10 24 26 18 15 12 11 9 1 5 4 -7 -9 -6 -4 -4 -1 17 24 15  
MIN CHILL 9 5 17 11 8 0 -9 -11 -6 -5 13  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE 12/19/17  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 16 26 6 22 8 30 16 34  
TEMP 17 18 24 18 10 7 20 18 10 12 29 24 18 17 33 29  
DEWPT -4 -3 6 8 5 2 6 6 -1 0 9 9 6 5 11 9  
PWIND DIR W W NW W W W W W  
WIND CHAR LT LT LT LT LT GN LT LT  
AVG CLOUDS FW SC B1 B1 B2 B2 B1 SC SC FW FW FW SC FW FW FW  
POP 12HR 5 40 50 30 0 5 5 0  
SNOWSHWRS C C C C C S  
 

 
COZ038-132315-  
FORT COLLINS/LOVELAND AIRPORT-LARIMER CO  
40.45N 105.02W ELEV. 5015 FT  
426 AM MST WED DEC 13 2017  
 
DATE WED 12/13/17 THU 12/14/17 FRI 12/15/17  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 53 26 42 19 54  
TEMP 33 32 48 53 43 37 32 30 29 28 40 41 34 27 22 20 19 24 45 54 44  
DEWPT 11 13 15 16 15 18 25 25 25 25 22 17 17 16 14 14 11 13 14 16 14  
RH 39 45 26 23 32 46 75 81 85 88 48 37 49 63 71 77 70 62 28 22 29  
WIND DIR NW N NE NE NE N N N W NW N N N NE SW W W W W W W  
WIND SPD 6 4 6 8 6 9 5 6 4 5 16 19 13 5 4 3 4 4 5 4 5  
WIND GUST 29  
CLOUDS B1 FW FW FW B1 OV OV OV B2 B1 SC SC FW FW FW SC SC SC SC SC FW  
POP 12HR 5 50 10 0 0  
QPF 12HR 0 0.03 0 0 0  
SNOW 12HR 00-00 T 00-00  
RAIN S S  
SNOW S S C C  
WIND CHILL 27 31 26 23 22 31 32 24 20 16 12  
MIN CHILL 26 26 39 26 23 22 23 15 12 12  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE 12/19/17  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 30 46 20 41 23 51 28 54  
TEMP 33 32 45 38 28 21 38 39 26 26 48 48 35 29 50 51  
DEWPT 13 14 19 23 21 18 18 16 15 15 21 20 21 19 25 22  
PWIND DIR W NW N W W W W W  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS FW SC B1 B2 B2 B2 SC SC FW FW FW SC FW FW FW FW  
POP 12HR 0 20 30 5 0 0 0 0  
RAIN SHWRS S  
SNOWSHWRS S C S  
 

 
COZ043-132315-  
GREELEY AIRPORT-WELD CO  
40.43N 104.64W ELEV. 4657 FT  
426 AM MST WED DEC 13 2017  
 
DATE WED 12/13/17 THU 12/14/17 FRI 12/15/17  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 54 23 44 15 55  
TEMP 24 27 47 54 40 32 28 26 25 26 40 43 34 25 19 18 15 20 44 55 42  
DEWPT 11 13 16 15 15 17 24 24 23 25 22 18 17 16 14 14 10 12 13 14 13  
RH 57 55 28 21 36 53 85 92 92 96 48 36 49 68 80 84 80 71 28 19 30  
WIND DIR N N N N NE N N N NW NW N N N N W W SW SW W SW SW  
WIND SPD 8 5 8 10 9 8 9 9 3 5 18 23 16 5 3 2 4 2 4 4 4  
WIND GUST 34 26  
CLOUDS B1 FW FW FW B1 OV OV OV B2 B2 SC B1 SC FW FW SC SC SC SC SC FW  
POP 12HR 0 30 10 0 0  
QPF 12HR 0 0.01 0 0 0  
SNOW 12HR 00-00 T 00-00  
RAIN S  
SNOW S S C  
WIND CHILL 15 21 34 25 20 17 19 31 34 24 18 8  
MIN CHILL 14 15 33 18 16 19 23 14 8 9 37  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE 12/19/17  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 23 47 17 42 17 51 22 54  
TEMP 26 26 44 36 25 18 39 39 22 20 48 46 31 24 51 49  
DEWPT 13 14 20 22 20 17 17 16 15 13 19 19 19 17 23 21  
PWIND DIR W NW N W SW W W W  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS FW SC B1 B2 B2 B2 B1 SC FW FW FW SC SC FW FW FW  
POP 12HR 0 20 20 5 0 0 0 0  
RAIN SHWRS S  
SNOWSHWRS S S S  
 

 
COZ041-132315-  
MONUMENT-DOUGLAS CO  
39.22N 104.63W ELEV. 7059 FT  
426 AM MST WED DEC 13 2017  
 
DATE WED 12/13/17 THU 12/14/17 FRI 12/15/17  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 47 17 32 13 51  
TEMP 29 29 44 45 32 25 19 19 18 20 30 31 22 15 13 13 16 21 44 50 34  
DEWPT 3 5 8 10 10 12 19 19 18 20 20 18 16 14 11 6 2 3 6 9 9  
RH 32 35 22 23 39 57100100100100 66 58 77 96 91 73 53 45 20 19 35  
WIND DIR NW NW N N NE NE NE N N NW N N N NW W W W W W W SW  
WIND SPD 8 6 9 9 5 5 8 8 6 6 10 12 9 6 5 6 6 6 6 6 5  
CLOUDS FW SC SC SC B1 B2 OV OV B2 B2 B1 B1 B1 FW FW FW FW FW FW FW FW  
POP 12HR 0 70 40 5 0  
QPF 12HR 0 0.10 0.02 0 0  
SNOW 12HR 00-00 2 T  
SNOW L L  
SNOWSHWRS C C S S  
WIND CHILL 21 22 18 9 9 9 11 21 21 12 5 4 2 6 12  
MIN CHILL 21 20 25 8 6 9 12 3 1 6 29  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE 12/19/17  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 25 43 13 36 17 48 24 51  
TEMP 26 29 42 27 18 14 34 29 18 23 47 37 27 27 50 41  
DEWPT 8 7 13 17 18 14 13 11 11 8 14 14 14 13 16 16  
PWIND DIR SW N N NW SW W W SW  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS FW SC B1 B1 B2 B2 B1 SC FW FW FW FW FW FW FW FW  
POP 12HR 0 20 40 20 0 0 0 0  
SNOWSHWRS S C C S  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab CO Page Main Text Page