604  
CDUS45 KCYS 180727  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
127 AM MDT SAT APR 18 2026  
   
...............................  
 
   
..THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR APRIL 17 2026  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1871 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 37 338 PM 78 1987 55 -18 52  
MINIMUM 24 1130 AM 5 2020 31 -7 24  
AVERAGE 31 43 -12 38  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 1.20 2009 0.06 -0.04 0.02  
MONTH TO DATE 0.06 0.86 -0.80 0.09  
SINCE MAR 1 0.96 1.82 -0.86 0.92  
SINCE JAN 1 1.48 2.69 -1.21 2.45  
 
SNOWFALL (IN)  
YESTERDAY 0.4 9.8 2009 0.4 0.0 0.2  
MONTH TO DATE 0.4 6.8 -6.4 0.9  
SINCE MAR 1 6.3 16.5 -10.2 4.7  
SINCE JUL 1 17.5 55.0 -37.5 32.5  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 34 22 12 27  
MONTH TO DATE 309 398 -89 363  
SINCE MAR 1 855 1263 -408 1091  
SINCE JUL 1 4750 6179 -1429 5698  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 1 0 1 0  
SINCE JAN 1 1 0 1 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 47 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 15.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY SNOW  
SNOW  
LIGHT SNOW  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91 900 AM  
LOWEST 34 400 PM  
AVERAGE 63  
   
......................................................  
 
THE CHEYENNE WYOMING AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 55 78 1987  
MINIMUM TEMPERATURE (F) 31 3 1953  
 
SUNRISE AND SUNSET  
APRIL 18 2026.........SUNRISE 615 AM MDT SUNSET 743 PM MDT  
APRIL 19 2026.........SUNRISE 614 AM MDT SUNSET 744 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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