273  
CDUS45 KCYS 080733  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
133 AM MDT TUE SEP 08 2026  
   
...............................  
 
...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 7 2026...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1871 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 84 302 PM 97 2022 77 7 78  
MINIMUM 61 429 AM 30 1898 49 12 48  
AVERAGE 73 63 10 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.82 1971 0.05 -0.04 0.22  
MONTH TO DATE 0.02 0.35 -0.33 0.23  
SINCE SEP 1 0.02 0.35 -0.33 0.23  
SINCE JAN 1 9.05 12.20 -3.15 13.18  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 2001 0.1 -0.1 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 0.0 0.1 -0.1 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 2  
MONTH TO DATE 0 22 -22 25  
SINCE SEP 1 0 22 -22 25  
SINCE JUL 1 7 72 -65 46  
 
COOLING  
YESTERDAY 8 2 6 0  
MONTH TO DATE 43 14 29 2  
SINCE SEP 1 43 14 29 2  
SINCE JAN 1 592 379 213 369    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 5.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 200 AM  
LOWEST 26 300 PM  
AVERAGE 49  
   
......................................................  
 
THE CHEYENNE WYOMING AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 95 2022  
MINIMUM TEMPERATURE (F) 49 25 1962  
 
SUNRISE AND SUNSET  
SEPTEMBER 8 2026.....SUNRISE 633 AM MDT SUNSET 720 PM MDT  
SEPTEMBER 9 2026.....SUNRISE 634 AM MDT SUNSET 718 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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