566  
CDUS45 KCYS 200729  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
129 AM MDT FRI SEP 20 2024  
   
...............................  
 
...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 19 2024...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1871 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 77 315 PM 88 1935 72 5 78  
MINIMUM 41 504 AM 18 1942 45 -4 53  
AVERAGE 59 58 1 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.42 1997 0.05 -0.05 T  
MONTH TO DATE 0.37 0.96 -0.59 0.16  
SINCE SEP 1 0.37 0.96 -0.59 0.16  
SINCE JAN 1 9.60 12.81 -3.21 18.10  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.8 1942 0.1 -0.1 0.0  
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 0.0 0.4 -0.4 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 7 -1 0  
MONTH TO DATE 19 88 -69 52  
SINCE SEP 1 19 88 -69 52  
SINCE JUL 1 58 138 -80 108  
 
COOLING  
YESTERDAY 0 1 -1 1  
MONTH TO DATE 32 29 3 47  
SINCE SEP 1 32 29 3 47  
SINCE JAN 1 513 394 119 382    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 9.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 64 500 AM  
LOWEST 16 300 PM  
AVERAGE 40  
   
......................................................  
 
THE CHEYENNE WYOMING AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 87 1956  
2010  
MINIMUM TEMPERATURE (F) 44 21 1983  
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2024.....SUNRISE 645 AM MDT SUNSET 659 PM MDT  
SEPTEMBER 21 2024.....SUNRISE 646 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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