845  
CDUS45 KCYS 140728  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
128 AM MDT THU SEP 14 2023  
   
...............................
 
 
...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 13 2023...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1871 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 78 328 PM 90 1895 75 3 84  
MINIMUM 47 601 AM 29 1993 47 0 48  
AVERAGE 63 61 2 66  
 
PRECIPITATION (IN)  
YESTERDAY T 1.37 2013 0.05 -0.05 0.00  
MONTH TO DATE T 0.66 -0.66 0.48  
SINCE SEP 1 T 0.66 -0.66 0.48  
SINCE JAN 1 17.98 12.51 5.47 7.58  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.5 1993 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.2 -0.2 0.0  
SINCE SEP 1 0.0 0.2 -0.2 0.0  
SINCE JUL 1 T 0.2 -0.2 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 5 -3 0  
MONTH TO DATE 28 49 -21 41  
SINCE SEP 1 28 49 -21 41  
SINCE JUL 1 84 99 -15 42  
 
COOLING  
YESTERDAY 0 1 -1 1  
MONTH TO DATE 44 23 21 80  
SINCE SEP 1 44 23 21 80  
SINCE JAN 1 379 388 -9 689    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 8.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 200 AM  
LOWEST 23 200 PM  
AVERAGE 47  
   
......................................................
 
 
THE CHEYENNE WYOMING AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 90 1948  
MINIMUM TEMPERATURE (F) 47 24 1993  
 
SUNRISE AND SUNSET  
SEPTEMBER 14 2023.....SUNRISE 639 AM MDT SUNSET 710 PM MDT  
SEPTEMBER 15 2023.....SUNRISE 640 AM MDT SUNSET 709 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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