597  
CDUS45 KCYS 180735  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
135 AM MDT FRI AUG 18 2023  
   
...............................
 
 
   
..THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR AUGUST 17 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 83 518 PM 94 1882 82 1 86  
MINIMUM 55 425 AM 41 2009 54 1 54  
AVERAGE 69 68 1 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.20 1983 0.04 -0.04 0.00  
MONTH TO DATE 2.87 0.93 1.94 0.62  
SINCE JUN 1 10.42 5.20 5.22 2.78  
SINCE JAN 1 17.38 11.26 6.12 7.06  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 T 0.0 0.0 0.0  
SINCE JUL 1 T 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 18 10 8 0  
SINCE JUN 1 172 142 30 61  
SINCE JUL 1 51 27 24 1  
 
COOLING  
YESTERDAY 4 4 0 5  
MONTH TO DATE 55 86 -31 151  
SINCE JUN 1 246 317 -71 539  
SINCE JAN 1 246 321 -75 542    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 11.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 600 AM  
LOWEST 33 500 PM  
AVERAGE 54  
   
......................................................
 
 
THE CHEYENNE WYOMING AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 95 2020  
MINIMUM TEMPERATURE (F) 54 44 1897  
1978  
 
SUNRISE AND SUNSET  
AUGUST 18 2023........SUNRISE 612 AM MDT SUNSET 754 PM MDT  
AUGUST 19 2023........SUNRISE 613 AM MDT SUNSET 752 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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