369  
CDUS45 KCYS 090828  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
128 AM MST TUE DEC 09 2025  
   
...............................  
 
...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR DECEMBER 8 2025...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1871 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 46 124 PM 64 1940 40 6 52  
2020  
MINIMUM 33 711 AM -19 1919 19 14 29  
AVERAGE 40 29 11 41  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.43 2003 0.01 -0.01 0.00  
MONTH TO DATE 0.17 0.13 0.04 0.00  
SINCE DEC 1 0.17 0.13 0.04 0.00  
SINCE JAN 1 15.35 15.06 0.29 10.28  
 
SNOWFALL (IN)  
YESTERDAY 0.0 8.6 1958 0.3 -0.3 0.0  
MONTH TO DATE 3.2 2.2 1.0 0.0  
SINCE DEC 1 3.2 2.2 1.0 0.0  
SINCE JUL 1 5.5 16.6 -11.1 4.6  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 25 36 -11 24  
MONTH TO DATE 292 281 11 207  
SINCE DEC 1 292 281 11 207  
SINCE JUL 1 1623 1968 -345 1529  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 383 397 -14 528    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 37 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 52 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 19.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 64 500 AM  
LOWEST 35 200 PM  
AVERAGE 50  
   
......................................................  
 
THE CHEYENNE WYOMING AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 39 67 1939  
MINIMUM TEMPERATURE (F) 18 -28 1919  
 
SUNRISE AND SUNSET  
DECEMBER 9 2025......SUNRISE 713 AM MST SUNSET 430 PM MST  
DECEMBER 10 2025......SUNRISE 714 AM MST SUNSET 430 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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