901  
CDUS45 KCYS 190727  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
127 AM MDT TUE SEP 19 2023  
   
...............................
 
 
...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 18 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 79 333 PM 88 1937 73 6 80  
MINIMUM 55 524 AM 24 1971 45 10 47  
AVERAGE 67 59 8 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.40 1986 0.05 -0.05 0.00  
MONTH TO DATE 0.16 0.91 -0.75 0.55  
SINCE SEP 1 0.16 0.91 -0.75 0.55  
SINCE JAN 1 18.14 12.76 5.38 7.65  
 
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 T 0.3 -0.3 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 7 -7 1  
MONTH TO DATE 52 81 -29 53  
SINCE SEP 1 52 81 -29 53  
SINCE JUL 1 108 131 -23 54  
 
COOLING  
YESTERDAY 2 1 1 0  
MONTH TO DATE 46 28 18 83  
SINCE SEP 1 46 28 18 83  
SINCE JAN 1 381 393 -12 692    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 13.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 43 500 AM  
LOWEST 14 200 PM  
AVERAGE 29  
   
......................................................
 
 
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 2023.....SUNRISE 644 AM MDT SUNSET 702 PM MDT  
SEPTEMBER 20 2023.....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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