313  
FOUS55 KBOU 251024  
PFMBOU  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE DENVER/BOULDER CO  
424 AM MDT TUE APR 25 2017  
 
COZ040-252315-  
DENVER-DENVER CO  
39.73N 104.96W ELEV. 5325 FT  
424 AM MDT TUE APR 25 2017  
 
DATE TUE 04/25/17 WED 04/26/17 THU 04/27/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 32 60 39 58  
TEMP 41 48 54 54 51 43 38 35 32 42 54 59 59 51 46 42 39 47 56 58 55  
DEWPT 35 30 27 28 31 32 32 29 28 27 25 24 25 28 31 31 32 32 28 26 26  
RH 79 49 35 36 46 65 79 78 85 55 32 26 27 41 55 65 76 56 34 29 32  
WIND DIR SW NW N N N N N N W NW N NW N S S S W NW NW NW NW  
WIND SPD 4 5 8 10 14 16 9 4 3 5 9 10 8 3 5 4 4 5 11 12 12  
WIND GUST 26  
CLOUDS B1 B2 B2 B2 OV OV B2 B1 SC FW SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B1  
POP 12HR 50 40 5 10 30  
QPF 12HR 0.06 0.12 0 0 0.04  
SNOW 12HR 00-00 00-00 00-00  
RAIN C  
RAIN SHWRS S C C S S C C C C S  
SNOW S S  
SNOWSHWRS S  
TSTMS S S S S S  
WIND CHILL 35 32  
MIN CHILL 37 39 30 28 30 35 37  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17 MON 05/01/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 35 51 31 40 29 51 35 63  
TEMP 43 35 50 46 38 31 37 39 33 29 46 51 41 35 59 61  
DEWPT 25 24 21 27 31 30 29 27 26 25 27 27 28 27 29 30  
PWIND DIR W N N N NW NW SW W  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 B1 B1 B2 OV OV OV OV OV B2 SC SC SC SC SC SC  
POP 12HR 20 40 70 40 10 5 5 5  
RAIN L  
RAIN SHWRS S S C  
SNOW L L C C  
SNOWSHWRS S S C S  
TSTMS S  
 

 
COZ039-252315-  
BOULDER-BOULDER CO  
40.02N 105.25W ELEV. 5302 FT  
424 AM MDT TUE APR 25 2017  
 
DATE TUE 04/25/17 WED 04/26/17 THU 04/27/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 31 58 39 56  
TEMP 39 46 53 54 49 42 37 34 32 42 52 57 57 49 44 41 39 46 53 56 53  
DEWPT 30 29 28 28 30 31 31 28 27 26 26 24 26 29 30 30 31 31 29 26 25  
RH 70 51 38 36 48 65 79 78 81 53 36 28 30 46 57 65 73 55 39 31 33  
WIND DIR W NW N N N N N SW W NW NW NW W W SW NW W NW NW NW NW  
WIND SPD 6 8 8 12 17 12 6 4 4 5 9 11 10 5 4 4 5 6 12 13 16  
CLOUDS B1 B1 B1 B2 B2 B2 B2 SC SC SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B1  
POP 12HR 40 40 5 20 30  
QPF 12HR 0.05 0.02 0 0 0.04  
SNOW 12HR 00-00 00-00 00-00  
RAIN C S  
RAIN SHWRS S C S S S S C C C C S  
SNOW S S  
SNOWSHWRS S  
TSTMS S S S S  
WIND CHILL 35  
MIN CHILL 32 34 30 24 27 35 36  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17 MON 05/01/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 35 49 31 40 29 52 36 61  
TEMP 42 35 48 45 36 31 36 39 33 30 45 50 40 36 55 60  
DEWPT 24 22 23 26 29 29 29 27 25 22 28 27 28 26 31 30  
PWIND DIR W NW N NE NW NW W W  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 B1 B1 B2 OV OV OV OV OV B1 SC SC SC SC SC SC  
POP 12HR 10 40 60 40 20 5 5 5  
RAIN L  
RAIN SHWRS S S C  
SNOW L L C C  
SNOWSHWRS S S C S  
TSTMS S  
 

 
COZ039-252315-  
LONGMONT-BOULDER CO  
40.17N 105.11W ELEV. 5023 FT  
424 AM MDT TUE APR 25 2017  
 
DATE TUE 04/25/17 WED 04/26/17 THU 04/27/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 57 32 60 39 58  
TEMP 41 49 56 57 52 44 38 34 32 43 53 59 59 51 45 42 39 46 54 58 55  
DEWPT 34 33 29 28 32 31 31 28 27 28 27 25 26 30 32 31 32 32 30 27 26  
RH 76 54 35 33 46 60 76 78 81 55 36 27 28 44 60 65 76 58 40 30 32  
WIND DIR NW NE NE N N N N SW W NE N W W SW SW NW NW NW NW NW NW  
WIND SPD 4 4 8 12 18 17 8 4 3 3 6 9 5 3 3 3 5 6 10 12 13  
CLOUDS B1 B1 B1 B2 B2 B2 B2 SC SC SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 30 30 5 20 30  
QPF 12HR 0.04 0.02 0 0 0.03  
SNOW 12HR 00-00 00-00 00-00  
RAIN S  
RAIN SHWRS S C S S S S S S C C S  
SNOW S S  
TSTMS S S S S  
WIND CHILL 36 32  
MIN CHILL 38 32 28 32 35 36  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17 MON 05/01/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 35 51 32 40 30 53 35 63  
TEMP 42 35 50 48 37 32 36 40 34 30 47 52 40 36 57 61  
DEWPT 26 24 24 26 31 30 30 27 27 25 29 27 29 27 31 30  
PWIND DIR W NW N N NW NW W W  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 B1 B1 B2 OV OV OV OV OV B1 SC SC SC SC SC SC  
POP 12HR 10 40 60 30 10 5 5 10  
RAIN C  
RAIN SHWRS S S C  
SNOW C L C C  
SNOWSHWRS S C  
TSTMS S  
 

 
COZ038-252315-  
FORT COLLINS-LARIMER CO  
40.56N 105.07W ELEV. 5000 FT  
424 AM MDT TUE APR 25 2017  
 
DATE TUE 04/25/17 WED 04/26/17 THU 04/27/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 56 31 59 38 56  
TEMP 39 46 54 55 50 41 36 34 31 42 53 58 58 50 43 41 38 47 55 56 54  
DEWPT 34 33 30 28 29 29 29 27 27 26 26 25 26 29 31 32 32 33 30 26 26  
RH 82 60 40 35 44 62 75 75 85 53 35 28 29 44 62 70 79 58 38 31 34  
WIND DIR NE S W NW N N N N N N NW NW SW NW S NE N N NW NW NW  
WIND SPD 4 5 9 14 21 17 10 5 4 6 12 12 6 2 4 4 4 5 13 16 14  
WIND GUST 34 27  
CLOUDS SC SC B1 B2 B2 B2 B1 SC SC SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 20 20 5 20 30  
QPF 12HR 0 0 0 0 0.02  
SNOW 12HR 00-00 00-00 00-00  
RAIN S  
RAIN SHWRS S S S S S S S S C C S  
SNOW S  
TSTMS S S S S  
WIND CHILL 33 29  
MIN CHILL 34 36 28 25 27 34 37  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17 MON 05/01/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 35 50 32 41 30 52 35 62  
TEMP 41 35 48 47 37 32 38 40 33 30 46 51 40 36 56 60  
DEWPT 27 24 24 27 30 29 29 27 25 24 27 27 29 28 31 30  
PWIND DIR NW NW N NE NW NW W NW  
WIND CHAR LT LT LT GN LT LT LT GN  
AVG CLOUDS B1 B1 B1 B2 OV OV OV OV OV B1 SC SC SC SC SC SC  
POP 12HR 10 30 50 30 10 5 5 10  
RAIN C  
RAIN SHWRS S S C  
SNOW C C C S  
SNOWSHWRS S C S  
TSTMS S  
 

 
COZ041-252315-  
CASTLE ROCK-DOUGLAS CO  
39.38N 104.85W ELEV. 6329 FT  
424 AM MDT TUE APR 25 2017  
 
DATE TUE 04/25/17 WED 04/26/17 THU 04/27/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 27 55 36 55  
TEMP 37 46 51 49 43 36 32 29 28 40 50 55 53 45 41 38 37 46 54 53 49  
DEWPT 31 27 25 28 30 31 30 28 26 26 24 24 26 28 29 28 28 29 27 25 25  
RH 79 47 36 44 60 82 92 96 92 57 36 30 35 51 62 67 70 51 35 33 39  
WIND DIR W NW N N N N N N NW NW N N NW S S S SW W NW NW NW  
WIND SPD 5 5 9 11 12 16 11 8 5 8 10 9 5 5 6 9 6 6 13 13 11  
CLOUDS B2 B2 B2 OV OV OV B2 B1 B1 FW SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 60 50 5 20 40  
QPF 12HR 0.10 0.22 0 0 0.04  
SNOW 12HR 00-00 1 00-00  
RAIN C  
RAIN SHWRS S C C S S C C C C  
SNOW C C S  
SNOWSHWRS C C C  
TSTMS S S S S S S  
WIND CHILL 36 26 23 21 22 32 31  
MIN CHILL 32 36 36 22 20 25 36 30 33  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17 MON 05/01/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 31 47 27 36 24 46 30 58  
TEMP 36 31 47 40 32 27 34 35 29 25 44 45 35 31 55 55  
DEWPT 24 21 21 27 29 26 27 26 25 20 26 27 25 24 28 30  
PWIND DIR NW N N N NW NW W W  
WIND CHAR LT LT GN GN LT LT LT LT  
AVG CLOUDS B2 B1 B1 B2 OV OV OV OV OV B2 SC SC SC SC SC SC  
POP 12HR 30 50 70 50 20 5 5 5  
RAIN L  
RAIN SHWRS C  
SNOW L L C C  
SNOWSHWRS C S C S  
TSTMS S  
 

 
COZ041-252315-  
KIOWA-ELBERT CO  
39.34N 104.46W ELEV. 6401 FT  
424 AM MDT TUE APR 25 2017  
 
DATE TUE 04/25/17 WED 04/26/17 THU 04/27/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 49 27 54 36 54  
TEMP 38 43 49 48 42 35 31 28 28 38 48 53 53 43 40 38 37 46 53 53 50  
DEWPT 34 30 28 29 31 32 30 27 27 26 25 25 26 29 30 29 30 31 29 28 27  
RH 85 60 44 47 65 89 96 96 96 62 40 33 35 57 67 70 75 55 39 38 41  
WIND DIR NW NW N N N N N N NW NW N N NW SW S S SW W N N N  
WIND SPD 5 6 10 11 13 20 14 13 9 11 12 10 6 5 8 11 9 8 12 13 10  
WIND GUST 31  
CLOUDS B2 B2 B2 OV B2 OV B2 B2 B1 SC SC SC B2 B2 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 60 60 5 10 40  
QPF 12HR 0.12 0.22 0 0 0.05  
SNOW 12HR 00-00 1 00-00  
RAIN L  
RAIN SHWRS S C L S S S S C C C  
SNOW L C S  
SNOWSHWRS C  
TSTMS S S S S S S  
WIND CHILL 35 24 20 17 20 31 30 30  
MIN CHILL 34 36 35 20 16 21 35 27 32  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17 MON 05/01/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 30 46 26 35 23 44 29 56  
TEMP 35 31 46 41 30 26 33 34 27 24 40 43 32 30 52 54  
DEWPT 28 23 24 27 29 26 28 26 25 23 27 27 28 25 30 31  
PWIND DIR NW N NE N NW NW W NW  
WIND CHAR LT LT GN GN GN GN GN GN  
AVG CLOUDS B2 B1 B1 B2 OV OV OV OV OV B2 SC SC SC SC SC SC  
POP 12HR 30 50 60 50 20 5 5 5  
RAIN L  
RAIN SHWRS C C  
SNOW L L C C  
SNOWSHWRS C S C S  
TSTMS S  
 

 
COZ043-252315-  
GREELEY-WELD CO  
40.42N 104.74W ELEV. 4806 FT  
424 AM MDT TUE APR 25 2017  
 
DATE TUE 04/25/17 WED 04/26/17 THU 04/27/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 57 31 60 39 57  
TEMP 41 47 55 57 51 42 36 34 31 40 54 59 59 51 45 40 39 45 54 57 54  
DEWPT 37 36 32 30 31 31 30 28 27 28 27 26 26 29 33 32 33 35 32 27 27  
RH 85 65 41 35 46 65 79 78 85 62 35 28 28 42 62 73 79 68 43 31 35  
WIND DIR N NE NW N N N N N NW N N NW NW NW S E N N NW NW NW  
WIND SPD 4 5 9 14 24 21 13 6 5 6 11 11 6 2 4 5 4 5 11 13 13  
WIND GUST 36 33  
CLOUDS SC SC B1 B2 B2 B2 B1 SC SC SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 20 20 5 20 20  
QPF 12HR 0 0.01 0 0 0.04  
SNOW 12HR 00-00 00-00 00-00  
RAIN S  
RAIN SHWRS S S S S S S S S S S S  
SNOW S  
TSTMS S S S S  
WIND CHILL 33 27 28  
MIN CHILL 37 39 27 25 26 34 37  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17 MON 05/01/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 36 50 33 41 30 53 35 64  
TEMP 42 36 48 48 37 33 38 40 33 30 46 52 39 35 58 62  
DEWPT 29 26 24 27 30 30 29 26 27 25 28 27 29 28 31 30  
PWIND DIR NW N N N N NW W NW  
WIND CHAR GN GN GN GN LT LT LT GN  
AVG CLOUDS B2 B1 B1 B2 B2 OV OV OV OV B1 SC SC SC SC SC SC  
POP 12HR 20 30 50 30 5 5 5 10  
RAIN C C S  
RAIN SHWRS S S C  
SNOW C C C S  
SNOWSHWRS S  
TSTMS S  
 

 
COZ044-252315-  
FORT MORGAN-MORGAN CO  
40.26N 103.79W ELEV. 4265 FT  
424 AM MDT TUE APR 25 2017  
 
DATE TUE 04/25/17 WED 04/26/17 THU 04/27/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 58 32 61 37 57  
TEMP 42 48 57 58 53 41 36 35 32 42 56 61 58 46 42 39 37 45 55 57 54  
DEWPT 40 39 34 33 34 33 31 29 28 29 29 28 29 31 32 31 32 34 35 32 33  
RH 93 71 42 39 48 73 82 78 85 60 35 28 33 55 67 73 82 65 47 38 45  
WIND DIR N N NW N N N N N N NW NW N N E SE SE SE SW N N N  
WIND SPD 5 6 11 12 24 20 16 12 10 13 14 12 9 6 5 5 4 2 14 16 10  
WIND GUST 36 31  
CLOUDS B1 B2 B1 B1 B2 B2 B2 B1 B1 SC SC SC B2 B2 B2 B2 B2 B2 B2 B2 OV  
POP 12HR 40 30 10 10 40  
QPF 12HR 0.01 0.02 0 0 0.07  
SNOW 12HR 00-00 00-00 00-00  
RAIN S  
RAIN SHWRS S C S S C C C C C  
SNOW S  
TSTMS S S S S  
WIND CHILL 32 26 26 23 35  
MIN CHILL 37 39 25 22 24 38 33 37  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17 MON 05/01/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 35 50 32 43 28 54 34 63  
TEMP 41 35 49 47 36 32 40 41 32 28 47 52 39 34 58 60  
DEWPT 33 31 28 30 31 30 30 26 27 27 30 28 30 28 32 31  
PWIND DIR NW NW NE N N NW W NW  
WIND CHAR LT GN GN GN GN GN GN GN  
AVG CLOUDS B2 B1 B1 B2 B2 OV OV OV B2 B1 SC SC SC SC SC SC  
POP 12HR 30 30 50 50 5 5 10 10  
RAIN C C C C  
RAIN SHWRS C S S C S S  
SNOW C C C  
TSTMS S  
 

 
COZ045-252315-  
BENNETT-ADAMS CO  
39.75N 104.42W ELEV. 5489 FT  
424 AM MDT TUE APR 25 2017  
 
DATE TUE 04/25/17 WED 04/26/17 THU 04/27/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 30 57 39 56  
TEMP 39 46 52 52 46 38 34 32 30 41 52 56 56 46 43 41 39 48 55 56 52  
DEWPT 35 34 30 31 33 33 31 28 27 27 26 25 26 29 30 30 30 32 31 29 29  
RH 85 63 43 44 60 82 89 85 88 57 36 30 31 51 60 65 70 54 40 35 41  
WIND DIR S N N N N N N N NW NW N N N S S S SW W N N N  
WIND SPD 5 8 9 13 19 20 13 9 8 10 13 11 10 5 6 11 8 6 13 14 9  
WIND GUST 29 31  
CLOUDS B2 B2 B2 B2 B2 B2 B2 B1 SC SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 40 50 5 10 40  
QPF 12HR 0.05 0.11 0 0 0.05  
SNOW 12HR 00-00 00-00 00-00  
RAIN C  
RAIN SHWRS C C S S C C C C C  
SNOW C C S  
TSTMS S S S S  
WIND CHILL 38 27 24 24 22 34 35 33  
MIN CHILL 35 37 38 23 21 24 39 33 36  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17 MON 05/01/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 34 49 30 39 28 49 34 59  
TEMP 40 34 49 44 34 30 37 37 31 29 45 48 37 35 57 57  
DEWPT 29 25 23 29 31 29 29 28 26 25 27 28 29 26 29 31  
PWIND DIR NW N NE N NW NW W NW  
WIND CHAR LT GN GN GN GN GN GN GN  
AVG CLOUDS B2 B1 B1 B2 OV OV OV OV OV B2 SC SC SC SC SC SC  
POP 12HR 30 40 60 50 10 5 5 10  
RAIN C  
RAIN SHWRS C S S C  
SNOW C L C C  
SNOWSHWRS S S C S  
TSTMS S  
 

 
COZ048-252315-  
STERLING-LOGAN CO  
40.63N 103.20W ELEV. 3937 FT  
424 AM MDT TUE APR 25 2017  
 
DATE TUE 04/25/17 WED 04/26/17 THU 04/27/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 59 32 59 37 56  
TEMP 42 48 56 59 52 40 36 34 32 40 52 58 58 46 40 38 37 43 52 56 53  
DEWPT 41 39 36 35 36 33 30 29 29 30 30 29 29 31 32 31 31 35 36 34 36  
RH 96 71 47 40 54 76 79 82 88 67 43 33 33 55 73 76 79 73 54 43 52  
WIND DIR N NW N N N N N N N N N N N E S SE SE SE E N N  
WIND SPD 4 6 11 12 25 19 16 13 11 14 16 14 10 6 5 6 6 8 6 9 9  
WIND GUST 37 29  
CLOUDS B2 B1 B1 B2 B2 OV B2 B2 B1 SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 OV  
POP 12HR 40 30 5 10 40  
QPF 12HR 0.01 0.01 0 0 0.09  
SNOW 12HR 00-00 00-00 00-00  
RAIN S  
RAIN SHWRS S S C C S S C C C C C  
SNOW S  
TSTMS S S  
WIND CHILL 31 26 25 23 32  
MIN CHILL 38 26 23 25 36 32 33  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17 MON 05/01/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 35 49 32 42 29 52 35 62  
TEMP 40 35 48 47 38 32 39 41 33 29 45 50 39 35 56 60  
DEWPT 36 33 33 33 33 31 28 27 28 28 30 28 32 30 33 33  
PWIND DIR N NW NE N N NW W NW  
WIND CHAR LT GN GN GN GN GN GN GN  
AVG CLOUDS B2 B1 B1 B2 B2 OV OV OV B2 B1 B1 SC SC SC SC SC  
POP 12HR 40 40 50 50 5 10 10 10  
RAIN C C C S  
RAIN SHWRS C S C C S S S  
SNOW C C S  
 

 
COZ049-252315-  
AKRON-WASHINGTON CO  
40.17N 103.21W ELEV. 4688 FT  
424 AM MDT TUE APR 25 2017  
 
DATE TUE 04/25/17 WED 04/26/17 THU 04/27/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 59 30 57 37 54  
TEMP 41 48 56 58 53 37 32 32 30 39 51 56 55 43 39 38 37 45 51 54 51  
DEWPT 40 39 35 33 36 34 31 28 29 29 28 27 28 30 30 30 31 34 35 34 34  
RH 96 71 45 39 52 89 96 85 96 67 41 32 35 60 70 73 79 65 54 46 52  
WIND DIR N N N N N N N N N NW NW N N E S S SE SE NW N N  
WIND SPD 8 10 13 14 24 21 19 16 16 18 18 14 11 8 10 10 10 10 10 13 10  
WIND GUST 36 33 29  
CLOUDS B2 B2 B1 B1 B2 OV B2 B2 B1 SC FW SC B1 B1 B2 B2 B2 B2 B2 B2 OV  
POP 12HR 40 40 5 10 50  
QPF 12HR 0.02 0.05 0 0 0.10  
SNOW 12HR 00-00 00-00 00-00  
RAIN C  
RAIN SHWRS C S C S S C C C C C  
SNOW S  
TSTMS S S S S  
WIND CHILL 26 20 21 19 29 33 31 30 39  
MIN CHILL 36 38 19 19 21 32 30 32  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17 MON 05/01/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 35 48 31 40 27 50 34 60  
TEMP 38 35 48 45 34 31 38 39 29 27 45 48 37 35 58 58  
DEWPT 35 32 29 31 31 31 29 27 27 27 28 27 29 29 32 33  
PWIND DIR NW NW NE N N NW W NW  
WIND CHAR GN GN GN BZ GN GN GN GN  
AVG CLOUDS B2 B1 B1 B2 B2 OV OV OV B2 B1 B1 SC SC SC SC SC  
POP 12HR 40 30 60 60 10 10 10 10  
RAIN C L  
RAIN SHWRS C S S C S S S  
SNOW L L C  
SNOWSHWRS S  
TSTMS S  
 

 
COZ050-252315-  
SEDGWICK-SEDGWICK CO  
40.93N 102.52W ELEV. 3579 FT  
424 AM MDT TUE APR 25 2017  
 
DATE TUE 04/25/17 WED 04/26/17 THU 04/27/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 59 30 57 35 55  
TEMP 42 48 57 58 49 38 33 31 31 37 49 55 56 43 38 37 35 44 52 55 53  
DEWPT 41 41 39 38 35 31 29 27 27 29 29 28 28 30 30 30 30 34 37 37 38  
RH 96 77 51 47 58 76 85 85 85 72 46 35 34 60 73 75 82 68 56 51 57  
WIND DIR N N N N N N N N N N N N N E SE SE SE SE SE SE E  
WIND SPD 6 8 10 11 25 19 17 16 14 17 14 14 12 6 5 8 9 10 11 12 8  
WIND GUST 37 29 27  
CLOUDS B2 B2 B1 B2 B2 OV B2 B2 B1 SC FW FW SC SC B2 B2 B2 B2 OV OV OV  
POP 12HR 50 30 5 10 50  
QPF 12HR 0.08 0.01 0 0 0.09  
SNOW 12HR 00-00 00-00 00-00  
RAIN S  
RAIN SHWRS C C C S S C C C C C  
SNOW S  
TSTMS S  
WIND CHILL 28 22 20 20 27 31 28 38  
MIN CHILL 37 22 19 21 32 28 30  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17 MON 05/01/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 35 49 33 45 29 53 34 62  
TEMP 39 35 45 48 35 33 41 44 34 30 46 52 37 35 56 59  
DEWPT 37 34 36 33 33 31 29 27 29 27 31 30 32 30 34 34  
PWIND DIR NE N NE NE N NW W NW  
WIND CHAR LT GN GN GN GN GN GN GN  
AVG CLOUDS OV B2 B1 B2 B2 OV OV OV B2 B1 B1 SC SC SC SC SC  
POP 12HR 50 40 50 40 5 10 10 5  
RAIN S C C S  
RAIN SHWRS C C C C S S  
SNOW C S  
 

 
COZ051-252315-  
HOLYOKE-PHILLIPS CO  
40.58N 102.30W ELEV. 3747 FT  
424 AM MDT TUE APR 25 2017  
 
DATE TUE 04/25/17 WED 04/26/17 THU 04/27/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 60 31 58 36 57  
TEMP 44 49 56 60 53 39 35 33 31 40 50 56 56 44 40 38 37 47 55 57 55  
DEWPT 41 42 39 37 37 33 30 28 27 28 28 28 27 29 30 30 30 34 36 37 38  
RH 89 77 53 42 54 79 82 82 85 62 42 34 32 55 67 73 75 60 49 47 53  
WIND DIR N N N N NE N N N NW N N N N E SE SE SE SE SE SE E  
WIND SPD 9 8 11 11 18 19 18 17 17 17 14 14 11 5 5 8 9 11 11 11 9  
WIND GUST 29  
CLOUDS B2 B2 B1 B2 OV OV B2 B2 B2 SC FW FW SC SC B1 B1 B2 B2 OV OV OV  
POP 12HR 50 30 5 10 50  
QPF 12HR 0.05 0.03 0 0 0.11  
SNOW 12HR 00-00 00-00 00-00  
RAIN C  
RAIN SHWRS C S S C S S S S C C C  
SNOW C S  
TSTMS S S  
WIND CHILL 29 24 22 20 31 32 30  
MIN CHILL 38 24 20 22 36 29 32  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17 MON 05/01/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 37 51 34 46 31 54 35 62  
TEMP 41 37 49 49 37 34 42 45 35 32 47 53 39 36 58 60  
DEWPT 37 35 35 33 33 32 29 27 28 28 29 28 32 31 33 32  
PWIND DIR E NW NE NE N NW W NW  
WIND CHAR LT GN GN GN GN GN GN GN  
AVG CLOUDS OV B2 B1 B2 B2 OV OV OV B2 B1 B1 SC SC SC SC SC  
POP 12HR 50 30 50 50 10 10 10 5  
RAIN S C C S  
RAIN SHWRS C C S C S S S  
SNOW C S  
SNOWSHWRS S  
 

 
COZ046-252315-  
LIMON-LINCOLN CO  
39.27N 103.67W ELEV. 5407 FT  
424 AM MDT TUE APR 25 2017  
 
DATE TUE 04/25/17 WED 04/26/17 THU 04/27/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 30 56 35 56  
TEMP 40 46 54 54 48 39 35 31 30 38 49 55 55 44 40 36 36 46 55 55 51  
DEWPT 37 36 32 32 33 35 32 28 28 28 27 26 26 29 30 30 30 33 33 32 32  
RH 89 68 43 43 56 85 89 88 92 67 42 32 32 55 67 79 79 60 43 41 48  
WIND DIR N N N N N N N N N N N N N SE S S S S N N N  
WIND SPD 10 10 11 12 19 27 23 19 17 18 19 13 11 5 6 8 6 6 12 13 12  
WIND GUST 29 41 36 29 29  
CLOUDS B1 B2 B1 OV OV OV OV B2 B1 SC FW SC B1 B1 B1 B1 B2 B2 B2 B2 B2  
POP 12HR 50 60 5 10 50  
QPF 12HR 0.07 0.19 0 0 0.06  
SNOW 12HR 00-00 00-00 00-00  
RAIN L  
RAIN SHWRS C L S S C C C  
SNOW C S  
TSTMS S S S S S  
WIND CHILL 33 28 23 19 18 28 30 30  
MIN CHILL 33 36 22 16 19 35 29 33  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17 MON 05/01/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 32 48 30 39 27 47 31 57  
TEMP 39 32 46 43 33 30 36 38 31 27 41 45 35 32 54 55  
DEWPT 32 28 27 30 31 30 30 28 27 26 28 29 29 27 30 30  
PWIND DIR NW N NE N N NW NW NW  
WIND CHAR GN GN GN GN GN GN GN GN  
AVG CLOUDS B2 B1 B1 B2 B2 OV OV OV B2 B2 SC SC SC SC SC SC  
POP 12HR 40 50 60 60 20 5 5 5  
RAIN C  
RAIN SHWRS C S S C  
SNOW L L C  
SNOWSHWRS S S S  
TSTMS S  
 

 
COZ047-252315-  
KARVAL-LINCOLN CO  
38.73N 103.53W ELEV. 5121 FT  
424 AM MDT TUE APR 25 2017  
 
DATE TUE 04/25/17 WED 04/26/17 THU 04/27/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 57 32 59 37 60  
TEMP 42 47 56 56 47 41 36 35 32 41 52 58 57 46 41 39 38 50 59 59 54  
DEWPT 39 39 33 32 37 36 33 30 29 29 27 25 27 30 30 30 31 33 32 32 33  
RH 89 74 42 40 68 82 89 82 88 62 38 28 31 53 65 70 76 52 36 36 45  
WIND DIR N N N NE N N N N N N N N N SE SE SE SE S NW NW N  
WIND SPD 11 10 9 12 18 23 24 20 17 19 19 14 6 8 6 8 6 4 10 10 13  
WIND GUST 34 36 31 29 29  
CLOUDS B1 B2 B2 OV OV OV OV B2 B1 SC FW SC B1 B1 B1 B1 B2 B2 B2 B2 B2  
POP 12HR 50 60 5 5 50  
QPF 12HR 0.09 0.38 0 0 0.06  
SNOW 12HR 00-00 T 00-00  
RAIN L C  
RAIN SHWRS C L S S C C C  
SNOW C S  
TSTMS S S S S S  
WIND CHILL 35 31 24 24 21 32  
MIN CHILL 34 37 24 20 23 36 31 37  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17 MON 05/01/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 35 53 32 40 29 48 32 59  
TEMP 41 35 50 49 35 32 38 38 32 29 44 47 35 33 55 57  
DEWPT 32 29 27 31 31 30 30 29 27 26 27 29 28 27 30 31  
PWIND DIR N NE NE N N NW W NW  
WIND CHAR GN GN GN BZ GN GN GN GN  
AVG CLOUDS B2 B1 B1 B2 B2 OV OV OV B2 B1 SC SC SC SC SC SC  
POP 12HR 40 40 60 60 20 0 0 10  
RAIN C L  
RAIN SHWRS C S C S  
SNOW L L C  
SNOWSHWRS S  
TSTMS S  
 

 
COZ035-252315-  
ESTES PARK-LARIMER CO  
40.37N 105.52W ELEV. 7638 FT  
424 AM MDT TUE APR 25 2017  
 
DATE TUE 04/25/17 WED 04/26/17 THU 04/27/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 24 48 31 45  
TEMP 31 37 43 44 40 32 27 25 25 37 45 48 44 36 32 31 33 40 43 45 39  
DEWPT 23 23 22 23 24 23 23 19 19 20 21 20 23 24 26 24 25 25 22 20 20  
RH 72 56 43 43 52 69 85 78 78 50 38 33 43 61 78 75 72 55 43 36 46  
WIND DIR W W W NW NW N NW W W W W W W W SW W W W W W W  
WIND SPD 16 14 11 10 12 6 6 6 9 10 11 12 11 5 4 5 8 9 13 14 12  
CLOUDS B1 SC B1 B2 B2 B2 B2 B1 SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B1  
POP 12HR 40 40 30 40 50  
QPF 12HR 0.01 0.01 0 0.04 0.05  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C C C C  
SNOWSHWRS S S C C C S C C C C C C C C C  
TSTMS S S S S S  
WIND CHILL 20 28 37 38 32 25 20 17 16 30 39 38 25 27 34 36 38 32  
MIN CHILL 20 22 31 20 15 19 38 27 24 28 30  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17 MON 05/01/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 27 41 25 34 23 43 28 51  
TEMP 30 27 40 35 25 25 32 33 25 24 40 40 30 29 48 48  
DEWPT 19 15 15 20 22 20 20 21 19 14 19 22 23 20 23 25  
PWIND DIR W NW NE NE N NW W W  
WIND CHAR GN LT LT LT LT LT LT GN  
AVG CLOUDS B1 B1 B1 B2 OV OV OV OV OV B1 SC SC SC B1 B1 SC  
POP 12HR 30 50 60 50 30 10 20 20  
RAIN SHWRS S S S  
SNOW C L C C  
SNOWSHWRS C S S C C S S S S S  
TSTMS S  
 

 
COZ036-252315-  
BLACK HAWK-GILPIN CO  
39.80N 105.49W ELEV. 8071 FT  
424 AM MDT TUE APR 25 2017  
 
DATE TUE 04/25/17 WED 04/26/17 THU 04/27/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 42 24 45 31 42  
TEMP 31 36 41 41 38 32 28 25 25 33 41 44 44 36 33 31 31 35 40 42 38  
DEWPT 22 23 22 22 23 25 24 19 19 19 19 20 23 22 24 23 24 23 21 20 20  
RH 69 59 46 46 54 75 85 78 78 56 41 38 43 56 69 72 75 61 46 41 48  
WIND DIR W W W NW NW N NW NW W NW NW W W W SW W W W W W W  
WIND SPD 11 13 11 9 9 5 5 8 12 12 12 11 10 5 4 5 8 10 13 14 12  
CLOUDS B1 B1 B2 B2 B2 OV B2 SC SC FW SC B1 B2 B2 B2 B2 OV OV B2 B2 B1  
POP 12HR 40 40 20 30 50  
QPF 12HR 0.06 0.07 0 0.04 0.09  
SNOW 12HR T 1 00-00  
RAIN SHWRS S S  
SNOWSHWRS S C C C C S S S C C C C C C C C C  
TSTMS S S S S S  
WIND CHILL 22 28 34 35 31 22 17 14 24 34 38 38 25 24 27 32 35 30  
MIN CHILL 22 23 30 20 13 16 34 26 24 24 29  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17 MON 05/01/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 26 37 24 30 21 39 28 47  
TEMP 30 26 36 33 27 24 28 29 24 21 35 38 30 28 44 46  
DEWPT 18 13 13 20 21 19 20 21 18 14 19 22 20 18 22 24  
PWIND DIR W NW NE NE NW NW W W  
WIND CHAR LT LT LT LT LT LT LT GN  
AVG CLOUDS B1 B1 B1 B2 OV OV OV OV OV B2 SC SC SC SC SC SC  
POP 12HR 30 50 70 50 40 10 20 10  
RAIN SHWRS S  
SNOW L L C C  
SNOWSHWRS C C S C C S S S S S  
TSTMS S  
 

 
COZ036-252315-  
CONIFER-JEFFERSON CO  
39.52N 105.30W ELEV. 8363 FT  
424 AM MDT TUE APR 25 2017  
 
DATE TUE 04/25/17 WED 04/26/17 THU 04/27/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 24 46 30 44  
TEMP 32 38 43 40 38 31 28 26 25 36 44 46 44 36 32 31 31 38 43 43 39  
DEWPT 22 21 21 24 24 26 25 23 20 19 20 19 22 23 24 23 25 24 23 20 20  
RH 66 50 41 52 57 81 88 88 81 50 38 34 41 59 72 72 78 57 45 39 46  
WIND DIR W W NW N N N N N NW NW NW NW NW S SW SW W W W W NW  
WIND SPD 6 6 6 6 10 11 8 4 6 9 10 8 3 3 4 5 5 8 10 11 10  
CLOUDS B1 B1 B2 B2 OV OV B2 B1 SC FW SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 50 50 10 30 40  
QPF 12HR 0.09 0.13 0 0.01 0.04  
SNOW 12HR 00-00 1 00-00  
RAIN SHWRS S C S S  
SNOWSHWRS S C C C C S S S C C S S C C C C S  
TSTMS S S S S S  
WIND CHILL 26 31 22 20 20 17 29 38 25 24 32 37 32  
MIN CHILL 24 27 29 19 16 18 39 27 23 25 30  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17 MON 05/01/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 25 37 21 28 20 40 26 50  
TEMP 28 25 37 31 24 21 27 28 23 21 37 38 27 26 48 48  
DEWPT 19 15 15 22 23 21 22 22 19 15 20 22 21 19 23 24  
PWIND DIR W NW NE NE NW NW W W  
WIND CHAR LT LT LT GN LT LT LT GN  
AVG CLOUDS B1 B1 B1 B2 OV OV OV OV OV B2 SC SC SC SC SC SC  
POP 12HR 20 60 80 50 40 10 5 10  
RAIN SHWRS S  
SNOW D L C C  
SNOWSHWRS S S S L C S S S  
TSTMS S  
 

 
COZ030-252315-  
WALDEN-JACKSON CO  
40.73N 106.28W ELEV. 8100 FT  
424 AM MDT TUE APR 25 2017  
 
DATE TUE 04/25/17 WED 04/26/17 THU 04/27/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 40 23 45 27 41  
TEMP 27 33 39 40 36 29 26 25 24 35 43 45 44 34 31 30 27 36 39 41 38  
DEWPT 26 25 23 23 25 23 22 21 20 22 21 21 23 26 26 27 25 24 21 20 20  
RH 96 72 52 50 64 78 85 84 84 59 41 38 43 72 81 88 92 61 48 42 48  
WIND DIR SW W W NW N NW NW W SW W W W W SW S SW W W W W W  
WIND SPD 9 14 14 12 10 6 6 5 5 8 13 16 16 8 5 6 8 11 17 16 12  
WIND GUST 27  
CLOUDS B2 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 B2 OV OV OV OV OV OV B2 B2 B2  
POP 12HR 40 30 30 60 60  
QPF 12HR 0.02 0 0 0.11 0.11  
SNOW 12HR T 00-00 00-00  
RAIN SHWRS C C  
SNOW C C L L L L C C  
SNOWSHWRS S S C C C S S S S C C C  
TSTMS S S S S S  
WIND CHILL 18 23 30 33 29 22 18 18 17 28 36 38 37 27 25 23 19 28 31 33 30  
MIN CHILL 18 19 29 18 16 19 36 25 19 21 29  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17 MON 05/01/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 20 38 19 36 15 43 23 48  
TEMP 26 20 37 37 26 19 34 34 20 16 39 41 27 24 45 46  
DEWPT 19 16 14 17 19 17 17 17 15 12 17 18 22 19 21 23  
PWIND DIR W W NE NE N W W W  
WIND CHAR GN GN LT GN LT GN LT GN  
AVG CLOUDS B2 B1 B2 B2 OV B2 OV B2 B2 B1 SC SC B1 B2 B2 B1  
POP 12HR 40 50 30 30 10 20 30 20  
RAIN SHWRS S  
SNOW C C S C  
SNOWSHWRS C C C C S C C S S  
TSTMS S  
 

 
COZ032-252315-  
DILLON-SUMMIT CO  
39.62N 106.04W ELEV. 9019 FT  
424 AM MDT TUE APR 25 2017  
 
DATE TUE 04/25/17 WED 04/26/17 THU 04/27/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 37 20 42 27 39  
TEMP 25 31 37 35 33 29 25 21 21 29 39 42 39 32 30 28 27 30 38 38 35  
DEWPT 21 22 22 22 22 23 21 18 18 19 18 20 21 22 22 22 23 23 21 20 20  
RH 84 69 54 59 63 78 84 88 88 66 42 41 48 66 72 78 85 75 50 48 54  
WIND DIR W W NW NW NW NW NW NW W NW W W W W SW W W W W W W  
WIND SPD 6 9 8 11 13 11 8 10 11 11 14 13 13 9 9 10 12 12 14 14 13  
CLOUDS B2 B2 B2 B2 B2 OV B2 B2 B1 B1 B1 B2 OV OV OV OV OV OV OV OV B2  
POP 12HR 60 50 30 70 70  
QPF 12HR 0.04 0.02 0 0.13 0.19  
SNOW 12HR T T 00-00  
RAIN SHWRS C C  
SNOW C C L L L L L L  
SNOWSHWRS S S C L C C C C C C C C C  
TSTMS S S S S S  
WIND CHILL 18 23 31 27 23 19 17 10 9 19 30 34 31 24 21 18 16 20 29 29 26  
MIN CHILL 17 18 22 16 7 9 31 20 15 15 26  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17 MON 05/01/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 20 36 19 33 16 41 23 48  
TEMP 26 20 35 34 25 19 32 31 20 16 37 39 28 24 44 46  
DEWPT 18 14 13 17 19 16 17 19 17 12 17 19 19 17 21 22  
PWIND DIR NW NW NE NE NW NW W W  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B2 B1 B2 OV OV OV OV OV B2 SC SC B1 B1 B1 B1  
POP 12HR 50 40 50 50 30 20 30 30  
RAIN SHWRS C  
SNOW C C S C  
SNOWSHWRS C C C C C S S C C C  
TSTMS S  
 

 
COZ032-252315-  
GRANBY-GRAND CO  
40.09N 105.94W ELEV. 8174 FT  
424 AM MDT TUE APR 25 2017  
 
DATE TUE 04/25/17 WED 04/26/17 THU 04/27/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 42 23 46 28 41  
TEMP 29 34 41 42 40 34 28 26 23 30 42 46 45 38 33 30 28 31 38 41 39  
DEWPT 27 26 25 24 24 24 23 20 21 22 22 22 24 26 26 26 26 26 24 23 23  
RH 92 72 52 48 52 66 81 78 92 72 44 38 43 62 75 85 92 81 57 48 52  
WIND DIR W W W NW NW NW NW W W W W W W W SW W W W W W W  
WIND SPD 5 9 10 11 10 6 6 5 8 9 12 13 12 8 5 6 10 12 14 14 11  
CLOUDS B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B2 OV OV OV OV OV OV B2 B2 B2  
POP 12HR 30 30 30 60 60  
QPF 12HR 0.01 0 0 0.11 0.11  
SNOW 12HR T 00-00 00-00  
RAIN SHWRS C C  
SNOW C C L L L L C C  
SNOWSHWRS S S S C C S S S S C C C  
TSTMS S S S S S  
WIND CHILL 23 27 34 35 33 28 21 19 14 22 35 39 32 27 23 19 21 29 33 32  
MIN CHILL 23 25 32 21 14 15 36 26 19 18 31  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17 MON 05/01/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 22 37 22 35 19 42 24 48  
TEMP 28 22 35 37 28 22 32 34 24 19 37 41 30 24 43 47  
DEWPT 21 18 19 22 21 20 22 22 18 15 22 24 24 21 26 27  
PWIND DIR W W NE NE N W W W  
WIND CHAR LT LT LT LT LT LT LT GN  
AVG CLOUDS B2 B2 B1 B2 OV OV OV OV OV B1 SC B1 B1 B1 B2 B1  
POP 12HR 40 40 40 40 10 10 30 30  
RAIN SHWRS C  
SNOW C C S C  
SNOWSHWRS C C S C S S S C S  
TSTMS S  
 

 
COZ037-252315-  
FAIRPLAY-PARK CO  
39.22N 106.00W ELEV. 9947 FT  
424 AM MDT TUE APR 25 2017  
 
DATE TUE 04/25/17 WED 04/26/17 THU 04/27/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 19 40 25 37  
TEMP 26 33 37 37 33 26 24 21 19 29 36 40 38 29 25 25 25 32 37 37 33  
DEWPT 19 18 18 19 20 20 19 16 15 16 15 16 18 20 21 20 19 20 17 16 15  
RH 74 53 46 48 58 78 81 81 84 58 42 37 44 69 84 81 78 61 44 42 47  
WIND DIR W W W NW NW NW NW NW NW NW NW W W W SW W W W W W W  
WIND SPD 10 11 10 11 14 13 9 10 13 14 16 16 13 5 4 5 10 13 17 17 16  
WIND GUST 27 27  
CLOUDS B2 B1 B2 B2 B2 B2 B2 SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B1  
POP 12HR 50 40 20 50 50  
QPF 12HR 0.05 0.04 0 0.02 0.03  
SNOW 12HR T T 00-00  
RAIN SHWRS S S  
SNOW C C C C C C C C  
SNOWSHWRS S C C C C S S S S S S C  
TSTMS S S S S S  
WIND CHILL 17 24 30 29 23 15 15 10 6 17 27 31 29 23 19 18 15 23 27 27 22  
MIN CHILL 15 18 22 13 5 8 28 19 14 15 22  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17 MON 05/01/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 18 34 17 28 15 36 20 44  
TEMP 23 18 32 32 21 17 27 27 18 16 31 34 23 21 41 42  
DEWPT 13 11 11 13 16 14 16 16 13 11 15 16 15 14 19 19  
PWIND DIR NW W NE NE N NW W W  
WIND CHAR GN LT LT LT LT GN GN GN  
AVG CLOUDS B1 B1 B1 B2 OV B2 OV OV OV B2 SC SC B1 SC SC SC  
POP 12HR 30 50 60 60 50 10 20 20  
RAIN SHWRS S  
SNOW L C C L  
SNOWSHWRS C C S C C S S S S  
TSTMS S  
 

 
COZ037-252315-  
HARTSEL-PARK CO  
39.02N 105.80W ELEV. 8993 FT  
424 AM MDT TUE APR 25 2017  
 
DATE TUE 04/25/17 WED 04/26/17 THU 04/27/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 23 47 25 45  
TEMP 30 37 43 42 38 34 30 27 23 34 44 47 45 37 32 29 25 38 45 45 42  
DEWPT 23 20 17 19 21 22 22 19 17 16 15 15 17 22 22 22 22 21 16 14 13  
RH 75 50 35 39 50 61 72 71 77 47 30 27 32 54 66 75 88 50 31 28 30  
WIND DIR W W W NW NW N N NW NW NW NW W W W SW W W W W W W  
WIND SPD 5 8 8 9 11 11 6 6 10 12 11 11 11 5 4 4 8 11 14 16 14  
CLOUDS B1 B2 B2 B2 B2 B2 B1 SC SC FW SC B1 B2 B2 B2 B2 B1 B1 B2 B2 B1  
POP 12HR 40 30 10 20 20  
QPF 12HR 0.05 0.06 0 0 0.01  
SNOW 12HR T 1 00-00  
RAIN SHWRS S S  
SNOWSHWRS S C C S S S S S S S S S S S S S S  
TSTMS S S S S S  
WIND CHILL 24 31 36 31 25 23 19 12 25 38 39 16 30 38 38 34  
MIN CHILL 23 25 31 23 12 14 38 27 16 19 33  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17 MON 05/01/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 20 41 18 31 15 41 21 50  
TEMP 29 20 39 38 26 18 29 30 20 15 38 40 27 22 47 48  
DEWPT 15 11 9 11 20 17 16 16 16 11 15 15 18 15 20 19  
PWIND DIR W W NE NE N NW W W  
WIND CHAR LT LT LT GN LT GN LT GN  
AVG CLOUDS B1 SC SC B2 OV B2 B2 OV OV B2 SC SC B1 SC SC SC  
POP 12HR 10 40 70 50 40 5 5 10  
RAIN SHWRS S  
SNOW L C C C  
SNOWSHWRS S S S C C S  
TSTMS S  
 

 
COZ034-252315-  
GEORGETOWN-CLEAR CREEK CO  
39.71N 105.70W ELEV. 8586 FT  
424 AM MDT TUE APR 25 2017  
 
DATE TUE 04/25/17 WED 04/26/17 THU 04/27/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 19 37 26 34  
TEMP 25 29 35 34 29 25 22 19 19 26 35 37 35 28 26 26 26 26 32 34 28  
DEWPT 19 20 20 21 20 20 19 15 16 17 18 19 21 20 20 21 22 21 20 19 19  
RH 78 69 54 58 69 81 88 84 88 68 49 48 56 71 78 81 85 81 61 54 68  
WIND DIR W W W NW NW NW NW NW W W W W W W SW W W W W W W  
WIND SPD 14 13 12 12 14 10 9 12 17 17 16 14 13 10 10 12 14 16 18 18 17  
WIND GUST 24 27 31 31 29 25 24 20 24 27 27 31 31 29  
CLOUDS B2 B1 B2 B2 B2 OV B2 B1 B1 SC B1 B1 OV OV B2 B2 OV OV OV OV B2  
POP 12HR 60 50 40 60 70  
QPF 12HR 0.06 0.06 0 0.12 0.15  
SNOW 12HR T 1 00-00  
RAIN SHWRS C C  
SNOW L L L L L L L L  
SNOWSHWRS S S C L C C C C C C C C C C C C L L C C C  
TSTMS S S S S S  
WIND CHILL 13 18 26 25 17 15 12 6 4 13 25 28 26 19 16 16 14 14 21 23 16  
MIN CHILL 13 13 14 11 2 3 23 15 13 12 13  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17 MON 05/01/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 19 31 18 27 16 35 23 41  
TEMP 23 19 29 26 21 18 25 25 18 16 31 32 26 23 39 38  
DEWPT 14 10 14 18 16 14 19 19 14 10 18 20 17 15 21 23  
PWIND DIR W NW NE NE N NW W W  
WIND CHAR GN GN GN GN GN GN GN GN  
AVG CLOUDS B2 B1 B1 B2 OV OV OV OV OV B2 SC SC B1 B1 B1 SC  
POP 12HR 50 50 60 50 40 20 30 20  
RAIN SHWRS S  
SNOW L L C C  
SNOWSHWRS C C C C C S S S S C S S  
TSTMS S  
 

 
COZ032-252315-  
KREMMLING AIRPORT-GRAND CO  
40.05N 106.37W ELEV. 7410 FT  
424 AM MDT TUE APR 25 2017  
 
DATE TUE 04/25/17 WED 04/26/17 THU 04/27/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 45 25 51 31 45  
TEMP 32 38 44 45 42 36 31 28 25 34 47 51 48 40 36 33 31 34 43 45 42  
DEWPT 29 28 26 25 26 27 25 24 23 24 22 23 24 27 27 29 29 28 24 22 21  
RH 88 67 49 45 53 69 78 85 92 66 37 33 39 59 69 85 92 78 47 40 43  
WIND DIR W W NW NW NW NW NW W W W W W W W SW SW W W W W W  
WIND SPD 5 8 10 10 10 5 5 4 3 5 10 11 11 6 5 5 8 10 14 13 10  
CLOUDS B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B2 OV OV OV OV OV OV OV OV B2  
POP 12HR 40 30 20 60 70  
QPF 12HR 0.02 0 0 0.13 0.14  
SNOW 12HR 00-00 00-00 00-00  
RAIN C C  
RAIN SHWRS C C S S  
SNOW C C L L L L L L  
SNOWSHWRS S S C C C S S S S C  
TSTMS S S S S S  
WIND CHILL 26 32 38 36 27 24 26 36 39 36  
MIN CHILL 26 28 36 25 20 22 30 24 23 36  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17 MON 05/01/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 25 42 25 41 23 48 28 55  
TEMP 32 25 38 39 31 25 38 39 28 23 43 46 34 28 49 53  
DEWPT 23 20 17 17 22 22 19 17 20 17 20 19 25 24 25 24  
PWIND DIR W NW N NE N W W W  
WIND CHAR LT LT LT GN LT GN LT GN  
AVG CLOUDS B2 B2 B2 B2 OV B2 OV OV B2 B1 SC SC B1 B1 B2 B1  
POP 12HR 50 20 20 30 10 10 30 30  
RAIN SHWRS S S C  
SNOW S S S C  
SNOWSHWRS C C S S S S S C S  
TSTMS S  
 

 
COZ040-252315-  
DENVER INT'L AIRPORT-DENVER CO  
39.83N 104.65W ELEV. 5379 FT  
424 AM MDT TUE APR 25 2017  
 
DATE TUE 04/25/17 WED 04/26/17 THU 04/27/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 29 58 39 56  
TEMP 40 47 52 53 47 39 34 31 29 40 52 57 57 48 45 41 39 47 55 56 53  
DEWPT 35 33 29 30 33 32 31 28 28 28 26 25 26 29 31 30 31 33 31 28 28  
RH 82 58 41 41 58 76 89 88 96 62 36 29 30 47 58 65 73 58 40 34 38  
WIND DIR S NW N N N N N N W NW N N N S S S SW W N NW N  
WIND SPD 6 8 9 13 18 20 12 5 5 8 11 12 10 6 8 10 8 5 13 14 12  
WIND GUST 31  
CLOUDS B2 B2 B2 B2 B2 B2 B2 B1 SC SC SC SC B2 B2 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 50 40 5 10 30  
QPF 12HR 0.05 0.11 0 0 0.04  
SNOW 12HR 00-00 00-00 00-00  
RAIN C  
RAIN SHWRS C C S S C C C C C  
SNOW C S S  
TSTMS S S S S  
WIND CHILL 29 26 25 23 34 35 33  
MIN CHILL 35 39 25 23 25 33 36  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17 MON 05/01/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 34 49 30 39 27 50 34 61  
TEMP 40 34 48 44 35 30 37 38 31 28 44 48 38 35 57 59  
DEWPT 28 25 23 28 31 30 29 28 27 25 28 28 29 26 30 30  
PWIND DIR NW N NE N NW NW SW W  
WIND CHAR GN GN GN GN GN GN GN GN  
AVG CLOUDS B2 B1 B1 B2 OV OV OV OV OV B2 SC SC SC SC SC SC  
POP 12HR 30 40 60 50 10 5 5 10  
RAIN C  
RAIN SHWRS C S C  
SNOW C L C C  
SNOWSHWRS S C S  
TSTMS S  
 

 
COZ040-252315-  
CENTENNIAL AIRPORT-DOUGLAS CO  
39.57N 104.85W ELEV. 5822 FT  
424 AM MDT TUE APR 25 2017  
 
DATE TUE 04/25/17 WED 04/26/17 THU 04/27/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 31 57 39 57  
TEMP 40 48 53 52 48 40 36 33 31 41 52 56 56 49 45 42 39 48 56 56 53  
DEWPT 34 30 26 27 30 32 31 29 27 27 25 23 25 28 30 29 30 30 28 26 25  
RH 79 49 35 38 49 73 82 85 85 57 35 27 30 44 55 60 70 49 34 31 33  
WIND DIR SW NW N N N N N N NW NW N N N S S S SW W N NW NW  
WIND SPD 5 6 9 10 12 14 11 5 4 8 9 10 8 5 6 8 6 5 11 12 11  
CLOUDS B2 B2 B2 B2 OV OV B2 B1 SC FW SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 50 50 5 10 30  
QPF 12HR 0.07 0.17 0 0 0.04  
SNOW 12HR 00-00 T 00-00  
RAIN C  
RAIN SHWRS S C C S S C C C C S  
SNOW C C S  
SNOWSHWRS S  
TSTMS S S S S S  
WIND CHILL 32 29 27  
MIN CHILL 36 39 27 25 27 34 37  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17 MON 05/01/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 34 49 30 38 28 49 34 62  
TEMP 41 34 48 43 35 30 36 37 32 28 45 49 39 35 57 59  
DEWPT 25 23 22 26 30 29 28 26 25 23 26 26 27 26 28 30  
PWIND DIR NW N N N NW NW SW W  
WIND CHAR LT LT GN GN LT LT LT LT  
AVG CLOUDS B2 B1 B1 B2 OV OV OV OV OV B2 SC SC SC SC SC SC  
POP 12HR 20 40 70 50 20 5 5 5  
RAIN L  
RAIN SHWRS S S C  
SNOW L L C C  
SNOWSHWRS S S C S  
TSTMS S  
 

 
COZ039-252315-  
ROCKY MOUNTAIN AIRPORT-BROOMFIELD CO  
39.91N 105.12W ELEV. 5655 FT  
424 AM MDT TUE APR 25 2017  
 
DATE TUE 04/25/17 WED 04/26/17 THU 04/27/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 32 58 39 56  
TEMP 40 47 54 54 50 43 38 34 32 42 52 57 57 50 44 42 39 46 55 56 54  
DEWPT 32 29 27 27 32 32 31 29 28 27 25 24 25 28 30 30 31 32 29 27 25  
RH 73 49 35 35 50 65 76 82 85 55 35 28 29 42 57 62 73 58 37 32 32  
WIND DIR W W N N N N N NE W NW NW NW NW W SW W NW NW NW NW NW  
WIND SPD 6 9 9 13 18 16 10 4 4 5 9 11 9 4 3 4 5 8 12 13 16  
CLOUDS B1 B2 B2 B2 B2 OV B2 SC SC SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B1  
POP 12HR 50 40 5 20 30  
QPF 12HR 0.05 0.06 0 0 0.03  
SNOW 12HR 00-00 00-00 00-00  
RAIN C  
RAIN SHWRS C C S S S S S S C C S  
SNOW C S S  
SNOWSHWRS S  
TSTMS S S S S  
WIND CHILL 35 31  
MIN CHILL 35 38 31 27 30 35 36  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17 MON 05/01/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 35 49 31 39 29 51 35 61  
TEMP 42 35 48 44 36 31 37 39 33 29 46 50 39 35 56 60  
DEWPT 24 23 22 27 29 29 30 28 25 23 28 27 28 26 29 29  
PWIND DIR W NW N N NW NW SW W  
WIND CHAR LT LT LT GN LT LT LT LT  
AVG CLOUDS B1 B1 B1 B2 OV OV OV OV OV B2 SC SC SC SC SC SC  
POP 12HR 10 40 70 40 20 5 5 5  
RAIN L  
RAIN SHWRS S C  
SNOW L L C C  
SNOWSHWRS S S C S  
TSTMS S  
 

 
COZ040-252315-  
BUCKLEY AFB-ARAPAHOE CO  
39.71N 104.76W ELEV. 5661 FT  
424 AM MDT TUE APR 25 2017  
 
DATE TUE 04/25/17 WED 04/26/17 THU 04/27/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 31 58 39 57  
TEMP 41 47 52 52 48 39 35 34 31 41 53 57 57 49 45 42 39 48 56 57 54  
DEWPT 35 31 28 29 32 32 31 29 28 27 26 24 25 29 30 30 31 32 29 27 26  
RH 79 53 39 41 54 76 85 82 88 57 35 28 29 46 55 62 73 54 35 31 34  
WIND DIR S NW N N N N N N W W N N N S S S SW W N NW N  
WIND SPD 5 6 9 11 14 19 10 5 4 6 11 11 9 5 6 9 6 5 11 12 11  
WIND GUST 29  
CLOUDS B2 B2 B2 B2 OV B2 B2 B1 SC FW SC SC B2 B2 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 50 50 5 10 30  
QPF 12HR 0.06 0.15 0 0 0.04  
SNOW 12HR 00-00 00-00 00-00  
RAIN C  
RAIN SHWRS C C S S C C C C S  
SNOW S S  
SNOWSHWRS S  
TSTMS S S S S  
WIND CHILL 30 27 36  
MIN CHILL 36 38 27 26 28 33 36  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17 MON 05/01/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 34 50 30 39 28 50 34 61  
TEMP 41 34 49 44 35 30 37 38 32 28 44 49 38 34 58 59  
DEWPT 26 24 22 27 31 30 29 27 26 24 27 27 28 27 29 30  
PWIND DIR NW N N N NW NW SW W  
WIND CHAR LT LT GN GN LT GN LT GN  
AVG CLOUDS B2 B1 B1 B2 OV OV OV OV OV B2 SC SC SC SC SC SC  
POP 12HR 20 40 70 50 20 5 5 10  
RAIN L  
RAIN SHWRS S S C  
SNOW L L C C  
SNOWSHWRS S S C S  
TSTMS S  
 

 
COZ034-252315-  
COPPER MOUNTAIN, RED CLIFF PASS-SUMMIT CO  
39.47N 106.15W ELEV. 12070 FT  
424 AM MDT TUE APR 25 2017  
 
DATE TUE 04/25/17 WED 04/26/17 THU 04/27/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 30 16 33 24 30  
TEMP 22 24 30 29 25 23 22 20 16 20 30 33 32 28 28 28 28 24 25 28 25  
DEWPT 19 19 18 19 20 19 19 16 14 15 16 16 18 19 19 19 19 19 18 16 16  
RH 88 81 60 66 81 84 88 84 92 81 55 49 56 68 68 68 68 81 74 60 68  
WIND DIR W W W NW NW NW NW NW NW NW W W W W SW W W W W W W  
WIND SPD 11 13 12 12 16 16 10 13 14 13 18 18 17 10 12 13 17 17 18 18 19  
WIND GUST 24 31 31 29 25 31 29 31 31 33  
CLOUDS OV B2 B2 B2 B2 OV B2 B2 B1 B1 B1 B2 OV OV OV OV OV OV OV OV OV  
POP 12HR 60 50 40 80 80  
QPF 12HR 0.08 0.06 0.01 0.18 0.20  
SNOW 12HR 1 1 T  
SNOW L L D D D D L L  
SNOWSHWRS S S C L C C C C C C C C L  
TSTMS S S S S S  
WIND CHILL 10 12 20 19 12 10 11 7 1 6 18 22 21 18 18 17 15 11 11 15 11  
MIN CHILL 9 8 11 8 0 2 17 16 14 10 8  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17 MON 05/01/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 16 27 16 26 14 31 21 37  
TEMP 20 16 24 25 20 16 23 25 18 14 27 30 23 21 33 36  
DEWPT 12 8 10 12 12 10 15 15 11 7 14 16 14 12 18 19  
PWIND DIR NW W NE NE N NW W W  
WIND CHAR GN LT LT LT LT GN GN GN  
AVG CLOUDS B2 B2 B2 B2 OV OV OV OV OV B2 SC SC B1 B1 B1 B1  
POP 12HR 50 50 60 70 60 30 40 30  
SNOW L L C L  
SNOWSHWRS L C C L L S S C C C S C  
TSTMS S  
 

 
COZ038-252315-  
FORT COLLINS/LOVELAND AIRPORT-LARIMER CO  
40.45N 105.02W ELEV. 5015 FT  
424 AM MDT TUE APR 25 2017  
 
DATE TUE 04/25/17 WED 04/26/17 THU 04/27/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 56 31 60 39 57  
TEMP 40 47 54 56 51 42 36 33 31 43 54 59 59 51 44 41 39 47 56 57 55  
DEWPT 34 36 32 30 31 30 29 28 27 27 27 26 27 29 32 32 32 33 32 27 27  
RH 79 65 43 37 46 62 75 82 85 53 35 28 29 42 62 70 76 58 40 31 34  
WIND DIR E SE NW N N N N NW NW N N NW SW W SE NE N N NW NW NW  
WIND SPD 5 6 9 14 21 19 11 5 2 6 11 11 5 1 3 4 4 5 12 14 13  
WIND GUST 33 29  
CLOUDS B1 SC B1 B2 B2 B2 B1 SC SC SC SC B2 B2 B2 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 20 20 5 20 30  
QPF 12HR 0.01 0.01 0 0 0.02  
SNOW 12HR 00-00 00-00 00-00  
RAIN S  
RAIN SHWRS S S S S S S S S C C S  
SNOW S  
TSTMS S S S S  
WIND CHILL 33 28 27  
MIN CHILL 36 38 28 26 29 36 38  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17 MON 05/01/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 35 50 32 41 29 52 35 63  
TEMP 42 35 48 47 36 32 37 40 33 29 46 51 39 36 57 62  
DEWPT 27 25 25 28 30 29 31 29 27 24 29 29 29 28 32 32  
PWIND DIR NW N N N NW NW W NW  
WIND CHAR LT GN GN GN LT LT LT GN  
AVG CLOUDS B1 B1 B1 B2 OV OV OV OV OV B1 SC SC SC SC SC SC  
POP 12HR 10 30 50 30 10 5 5 10  
RAIN C  
RAIN SHWRS S S C  
SNOW C C C C  
SNOWSHWRS S C  
TSTMS S  
 

 
COZ043-252315-  
GREELEY AIRPORT-WELD CO  
40.43N 104.64W ELEV. 4657 FT  
424 AM MDT TUE APR 25 2017  
 
DATE TUE 04/25/17 WED 04/26/17 THU 04/27/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 57 31 60 38 57  
TEMP 40 47 55 57 51 40 36 33 31 40 54 59 59 49 43 40 38 45 54 57 54  
DEWPT 37 36 32 30 32 31 30 27 27 28 28 26 26 29 33 32 33 35 32 27 27  
RH 89 65 41 35 48 70 79 78 85 62 36 28 28 46 67 73 82 68 43 31 35  
WIND DIR N NE NW N N N N N NW NW NW NW NW SW S E N N NW NW NW  
WIND SPD 4 5 11 14 24 21 14 6 5 9 12 12 9 2 4 4 4 5 11 14 12  
WIND GUST 37 33  
CLOUDS SC SC B1 B1 B2 B2 B1 SC SC SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 20 20 5 10 20  
QPF 12HR 0 0.01 0 0 0.05  
SNOW 12HR 00-00 00-00 00-00  
RAIN S  
RAIN SHWRS S S S S S S S S S S S  
SNOW S  
TSTMS S S S S  
WIND CHILL 30 26 27 25 34  
MIN CHILL 37 39 25 24 26 34 37  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17 MON 05/01/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 35 50 33 41 29 53 33 63  
TEMP 40 35 48 47 37 33 38 40 32 29 46 52 38 34 58 61  
DEWPT 29 26 25 27 30 29 29 26 27 25 28 26 30 27 31 30  
PWIND DIR NW N NE N N NW W NW  
WIND CHAR GN GN GN GN GN GN LT GN  
AVG CLOUDS B2 B1 B1 B2 B2 OV OV OV OV B1 SC SC SC SC SC SC  
POP 12HR 20 30 50 30 5 5 5 10  
RAIN C C S  
RAIN SHWRS S S C  
SNOW C C S  
SNOWSHWRS S  
TSTMS S  
 

 
COZ041-252315-  
MONUMENT-DOUGLAS CO  
39.22N 104.63W ELEV. 7059 FT  
424 AM MDT TUE APR 25 2017  
 
DATE TUE 04/25/17 WED 04/26/17 THU 04/27/17  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 26 51 33 51  
TEMP 34 41 48 45 40 33 30 27 27 37 46 50 49 40 37 34 34 43 50 50 46  
DEWPT 31 27 25 28 30 31 28 26 25 25 24 24 25 28 29 27 28 29 27 26 25  
RH 89 57 40 51 67 92 92 96 92 61 42 36 39 62 72 75 78 57 41 39 43  
WIND DIR W NW NE N N N N N NW NW N NW W S S S SW W NW NW NW  
WIND SPD 6 9 10 10 13 18 14 13 9 10 12 10 5 6 8 11 9 9 13 13 10  
CLOUDS B2 B2 B2 OV OV OV B2 B2 B1 SC SC SC B2 B2 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 60 60 5 10 40  
QPF 12HR 0.13 0.25 0 0 0.04  
SNOW 12HR 00-00 1 00-00  
RAIN SHWRS S C L S S S S C C  
SNOW L C S  
SNOWSHWRS L S S S S C C C  
TSTMS S S S S S S  
WIND CHILL 28 33 22 19 16 18 30 31 26 26  
MIN CHILL 27 30 32 18 15 20 30 24 28  
 
DATE FRI 04/28/17 SAT 04/29/17 SUN 04/30/17 MON 05/01/17  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 27 43 24 32 21 42 27 53  
TEMP 32 28 43 37 27 24 31 31 26 22 40 41 30 28 51 50  
DEWPT 25 21 21 26 27 24 27 26 24 20 26 27 25 23 28 29  
PWIND DIR NW NE NE N NW NW W NW  
WIND CHAR LT LT GN GN GN GN GN GN  
AVG CLOUDS B2 B1 B1 B2 OV OV OV OV OV B2 SC SC SC SC SC SC  
POP 12HR 30 50 60 50 20 5 5 5  
SNOW L L C C  
SNOWSHWRS C S C S  
TSTMS S  
 

 
 
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