017  
CDUS45 KCYS 180728  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
128 AM MDT FRI APR 18 2025  
   
...............................  
 
   
..THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR APRIL 17 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 52 126 AM 78 1987 55 -3 58  
MINIMUM 24 1052 PM 5 2020 31 -7 29  
AVERAGE 38 43 -5 44  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 1.20 2009 0.06 -0.04 0.06  
MONTH TO DATE 0.09 0.86 -0.77 0.40  
SINCE MAR 1 0.92 1.82 -0.90 1.50  
SINCE JAN 1 2.45 2.69 -0.24 3.10  
 
SNOWFALL (IN)  
YESTERDAY 0.2 9.8 2009 0.4 -0.2 0.1  
MONTH TO DATE 0.9 6.8 -5.9 0.1  
SINCE MAR 1 4.7 16.5 -11.8 11.7  
SINCE JUL 1 32.5 55.0 -22.5 47.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 27 22 5 21  
MONTH TO DATE 363 398 -35 314  
SINCE MAR 1 1091 1263 -172 1154  
SINCE JUL 1 5698 6179 -481 5646  
 
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 29 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 15.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
LT FREEZING RAIN  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 400 PM  
LOWEST 43 1200 AM  
AVERAGE 70  
   
......................................................  
 
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 2025.........SUNRISE 615 AM MDT SUNSET 743 PM MDT  
APRIL 19 2025.........SUNRISE 613 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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