383  
CDUS45 KCYS 190730  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
130 AM MDT SAT SEP 19 2026  
   
...............................
 
 
...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 18 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 81 1246 PM 88 1937 73 8 70  
MINIMUM 53 608 AM 24 1971 45 8 48  
AVERAGE 67 59 8 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.16 1.40 1986 0.05 0.11 0.00  
MONTH TO DATE 0.36 0.91 -0.55 0.46  
SINCE SEP 1 0.36 0.91 -0.55 0.46  
SINCE JAN 1 9.39 12.76 -3.37 13.41  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.0 1942 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.3 -0.3 0.0  
SINCE SEP 1 0.0 0.3 -0.3 0.0  
SINCE JUL 1 0.0 0.3 -0.3 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 7 -7 6  
MONTH TO DATE 20 81 -61 57  
SINCE SEP 1 20 81 -61 57  
SINCE JUL 1 27 131 -104 78  
 
COOLING  
YESTERDAY 2 1 1 0  
MONTH TO DATE 66 28 38 16  
SINCE SEP 1 66 28 38 16  
SINCE JAN 1 615 393 222 383    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 1000 PM  
LOWEST 30 100 PM  
AVERAGE 57  
   
......................................................
 
 
THE CHEYENNE WYOMING AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 88 1935  
MINIMUM TEMPERATURE (F) 45 18 1942  
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2026.....SUNRISE 644 AM MDT SUNSET 701 PM MDT  
SEPTEMBER 20 2026.....SUNRISE 645 AM MDT SUNSET 700 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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