839  
CDUS45 KCYS 220326  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
926 PM MDT THU SEP 21 2023  
   
...............................
 
 
...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 21 2023...  
VALID TODAY AS OF 0900 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 73 1048 AM 85 2015 71 2 65  
MINIMUM 45 339 AM 20 1983 44 1 47  
AVERAGE 59 57 2 56  
 
PRECIPITATION (IN)  
TODAY 0.03 2.39 1902 0.05 -0.02 0.42  
MONTH TO DATE 0.19 1.06 -0.87 0.97  
SINCE SEP 1 0.19 1.06 -0.87 0.97  
SINCE JAN 1 18.17 12.91 5.26 8.07  
 
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 T 0.4 -0.4 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 6 8 -2 9  
MONTH TO DATE 60 104 -44 62  
SINCE SEP 1 60 104 -44 62  
SINCE JUL 1 116 154 -38 63  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 47 30 17 92  
SINCE SEP 1 47 30 17 92  
SINCE JAN 1 382 395 -13 701    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 9.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 300 PM  
LOWEST 28 1000 AM  
AVERAGE 53  
   
......................................................
 
 
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 2023.....SUNRISE 646 AM MDT SUNSET 658 PM MDT  
SEPTEMBER 22 2023.....SUNRISE 647 AM MDT SUNSET 657 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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