330  
CDUS45 KCYS 210914  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
314 AM MDT MON APR 21 2025  
   
...............................
 
 
   
..THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR APRIL 20 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 57 316 PM 77 1910 55 2 33  
MINIMUM 24 231 AM -2 1966 31 -7 23  
AVERAGE 41 43 -2 28  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.61 1933 0.06 -0.06 0.09  
MONTH TO DATE 0.17 1.06 -0.89 0.54  
SINCE MAR 1 1.00 2.02 -1.02 1.64  
SINCE JAN 1 2.53 2.89 -0.36 3.24  
 
SNOWFALL (IN)  
YESTERDAY 0.0 17.3 1984 0.4 -0.4 0.8  
MONTH TO DATE 2.7 8.0 -5.3 0.9  
SINCE MAR 1 6.5 17.7 -11.2 12.5  
SINCE JUL 1 34.3 56.2 -21.9 47.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 22 2 37  
MONTH TO DATE 454 464 -10 423  
SINCE MAR 1 1182 1329 -147 1263  
SINCE JUL 1 5789 6245 -456 5755  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 12.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 1200 AM  
LOWEST 28 200 PM  
AVERAGE 55  
   
......................................................
 
 
THE CHEYENNE WYOMING AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 82 1960  
MINIMUM TEMPERATURE (F) 32 12 1905  
 
SUNRISE AND SUNSET  
APRIL 21 2025.........SUNRISE 610 AM MDT SUNSET 746 PM MDT  
APRIL 22 2025.........SUNRISE 609 AM MDT SUNSET 747 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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