273  
CDUS45 KCYS 110728  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
128 AM MDT MON SEP 11 2023  
   
...............................
 
 
...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 10 2023...  
 
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)  
YESTERDAY  
MAXIMUM 59 437 PM 96 2021 76 -17 48  
MINIMUM 50 1109 AM 28 1878 48 2 43  
AVERAGE 55 62 -7 46  
 
PRECIPITATION (IN)  
YESTERDAY T 0.72 2006 0.05 -0.05 0.27  
MONTH TO DATE T 0.51 -0.51 0.48  
SINCE SEP 1 T 0.51 -0.51 0.48  
SINCE JAN 1 17.98 12.36 5.62 7.58  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.0 1898 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE SEP 1 0.0 0.1 -0.1 0.0  
SINCE JUL 1 T 0.1 -0.1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 4 6 19  
MONTH TO DATE 15 34 -19 36  
SINCE SEP 1 15 34 -19 36  
SINCE JUL 1 71 84 -13 37  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 44 20 24 77  
SINCE SEP 1 44 20 24 77  
SINCE JAN 1 379 385 -6 686    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 7.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 700 AM  
LOWEST 67 400 PM  
AVERAGE 82  
   
......................................................
 
 
THE CHEYENNE WYOMING AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 91 2021  
MINIMUM TEMPERATURE (F) 48 23 1878  
 
SUNRISE AND SUNSET  
SEPTEMBER 11 2023.....SUNRISE 636 AM MDT SUNSET 715 PM MDT  
SEPTEMBER 12 2023.....SUNRISE 637 AM MDT SUNSET 714 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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