997  
CDUS45 KCYS 202226  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
326 PM MST WED DEC 20 2023  
   
...............................  
 
...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR DECEMBER 20 2023...  
VALID AS OF 0300 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1871 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 58 1214 PM 67 1941 39 19 44  
MINIMUM 32 139 AM -25 1983 17 15 20  
AVERAGE 45 28 17 32  
 
PRECIPITATION (IN)  
TODAY T 0.84 2006 0.02 -0.02 0.00  
MONTH TO DATE 0.11 0.32 -0.21 0.08  
SINCE DEC 1 0.11 0.32 -0.21 0.08  
SINCE JAN 1 20.17 15.25 4.92 9.37  
 
SNOWFALL (IN)  
TODAY 0.0 12.5 2006 0.3 -0.3 0.0  
MONTH TO DATE 1.3 5.7 -4.4 1.8  
SINCE DEC 1 1.3 5.7 -4.4 1.8  
SINCE JUL 1 13.4 20.1 -6.7 17.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 20 37 -17 33  
MONTH TO DATE 583 721 -138 716  
SINCE DEC 1 583 721 -138 716  
SINCE JUL 1 2025 2408 -383 2324  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 383 397 -14 701    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 61 200 AM  
LOWEST 29 100 PM  
AVERAGE 45  
   
......................................................  
 
THE CHEYENNE WYOMING AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 39 61 1994  
MINIMUM TEMPERATURE (F) 17 -28 1983  
1990  
 
SUNRISE AND SUNSET  
DECEMBER 20 2023......SUNRISE 720 AM MST SUNSET 433 PM MST  
DECEMBER 21 2023......SUNRISE 721 AM MST SUNSET 434 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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