423  
CDUS45 KCYS 290737  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
137 AM MDT SUN OCT 29 2023  
   
...............................
 
 
...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR OCTOBER 28 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 25 321 AM 76 1937 54 -29 57  
MINIMUM 18 1159 PM 3 1917 30 -12 20  
AVERAGE 22 42 -20 39  
 
PRECIPITATION (IN)  
YESTERDAY 0.23 0.58 1875 0.02 0.21 0.00  
MONTH TO DATE 0.90 0.92 -0.02 0.11  
SINCE SEP 1 1.32 2.39 -1.07 1.23  
SINCE JAN 1 19.30 14.24 5.06 8.33  
 
SNOWFALL (IN)  
YESTERDAY 3.2 6.7 2009 0.2 3.0 0.0  
MONTH TO DATE 3.2 5.1 -1.9 T  
SINCE SEP 1 3.2 6.1 -2.9 T  
SINCE JUL 1 3.2 6.1 -2.9 T  
SNOW DEPTH 3  
 
DEGREE DAYS  
HEATING  
YESTERDAY 43 23 20 26  
MONTH TO DATE 415 504 -89 428  
SINCE SEP 1 504 700 -196 544  
SINCE JUL 1 560 750 -190 545  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 48 32 16 92  
SINCE JAN 1 383 397 -14 701    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 6.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 500 AM  
LOWEST 62 1200 AM  
AVERAGE 75  
   
......................................................
 
 
THE CHEYENNE WYOMING AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 54 79 1968  
MINIMUM TEMPERATURE (F) 30 0 1993  
 
SUNRISE AND SUNSET  
OCTOBER 29 2023.......SUNRISE 727 AM MDT SUNSET 559 PM MDT  
OCTOBER 30 2023.......SUNRISE 728 AM MDT SUNSET 557 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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