126  
CDUS45 KCYS 220030  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
630 PM MDT MON SEP 21 2026  
   
...............................  
 
...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 21 2026...  
VALID TODAY AS OF 0600 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 69 MM 85 2015 71 -2 78  
MINIMUM 41 622 AM 20 1983 44 -3 44  
AVERAGE 55 57 -2 61  
 
PRECIPITATION (IN)  
TODAY 0.00 2.39 1902 0.05 -0.05 0.03  
MONTH TO DATE 0.46 1.06 -0.60 0.49  
SINCE SEP 1 0.46 1.06 -0.60 0.49  
SINCE JAN 1 9.49 12.91 -3.42 13.44  
 
SNOWFALL (IN)  
TODAY 0.0 1.6 1971 0.0 0.0 0.0  
1995  
MONTH TO DATE 0.0 0.4 -0.4 0.0  
SINCE SEP 1 0.0 0.4 -0.4 0.0  
SINCE JUL 1 0.0 0.4 -0.4 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 10 8 2 4  
MONTH TO DATE 43 104 -61 69  
SINCE SEP 1 43 104 -61 69  
SINCE JUL 1 50 154 -104 90  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 66 30 36 16  
SINCE SEP 1 66 30 36 16  
SINCE JAN 1 615 395 220 383    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 5.4  
 
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 89 300 AM  
LOWEST 36 300 PM  
AVERAGE 63  
   
......................................................  
 
THE CHEYENNE WYOMING AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 86 1958  
MINIMUM TEMPERATURE (F) 44 20 1895  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2026.....SUNRISE 646 AM MDT SUNSET 658 PM MDT  
SEPTEMBER 22 2026.....SUNRISE 647 AM MDT SUNSET 656 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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