345  
CDUS45 KCYS 010727  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
127 AM MDT THU OCT 01 2026  
   
...............................  
 
...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 30 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 68 217 PM 85 1980 66 2 75  
MINIMUM 46 345 AM 8 1985 40 6 46  
AVERAGE 57 53 4 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.12 1911 0.04 -0.04 0.00  
MONTH TO DATE 0.56 1.47 -0.91 1.66  
SINCE SEP 1 0.56 1.47 -0.91 1.66  
SINCE JAN 1 9.59 13.32 -3.73 14.61  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.8 1907 0.1 -0.1 0.0  
MONTH TO DATE 0.0 1.0 -1.0 0.0  
SINCE SEP 1 0.0 1.0 -1.0 0.0  
SINCE JUL 1 0.0 1.0 -1.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 12 -4 4  
MONTH TO DATE 76 196 -120 125  
SINCE SEP 1 76 196 -120 125  
SINCE JUL 1 83 246 -163 146  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 66 32 34 16  
SINCE SEP 1 66 32 34 16  
SINCE JAN 1 615 397 218 383    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 600 AM  
LOWEST 27 1100 AM  
AVERAGE 57  
   
......................................................  
 
THE CHEYENNE WYOMING AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 84 2011  
MINIMUM TEMPERATURE (F) 40 23 1876  
1985  
 
SUNRISE AND SUNSET  
OCTOBER 1 2026.......SUNRISE 656 AM MDT SUNSET 641 PM MDT  
OCTOBER 2 2026.......SUNRISE 657 AM MDT SUNSET 639 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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