151  
CDUS45 KCYS 090028  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
628 PM MDT MON SEP 08 2025  
   
...............................  
 
...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 8 2025...  
VALID TODAY AS OF 0600 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 80 MM 95 2022 77 3 84  
MINIMUM 54 400 AM 25 1962 49 5 46  
AVERAGE 67 63 4 65  
 
PRECIPITATION (IN)  
TODAY 0.00 2.69 1973 0.05 -0.05 0.00  
MONTH TO DATE 0.23 0.40 -0.17 0.37  
SINCE SEP 1 0.23 0.40 -0.17 0.37  
SINCE JAN 1 13.18 12.25 0.93 9.60  
 
SNOWFALL (IN)  
TODAY 0.0 1.1 2020 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  
TODAY 0 4 -4 0  
MONTH TO DATE 25 26 -1 7  
SINCE SEP 1 25 26 -1 7  
SINCE JUL 1 46 76 -30 46  
 
COOLING  
TODAY 2 2 0 0  
MONTH TO DATE 4 16 -12 10  
SINCE SEP 1 4 16 -12 10  
SINCE JAN 1 371 381 -10 491    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 11.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 1200 AM  
LOWEST 15 500 PM  
AVERAGE 44  
   
......................................................  
 
THE CHEYENNE WYOMING AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 91 2021  
MINIMUM TEMPERATURE (F) 48 22 1962  
 
SUNRISE AND SUNSET  
SEPTEMBER 8 2025.....SUNRISE 633 AM MDT SUNSET 720 PM MDT  
SEPTEMBER 9 2025.....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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