875  
CDUS45 KCYS 182132  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
332 PM MDT WED SEP 18 2024  
   
...............................
 
 
...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 18 2024...  
VALID AS OF 0300 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 75 159 PM 88 1937 73 2 79  
MINIMUM 45 1250 AM 24 1971 45 0 55  
AVERAGE 60 59 1 67  
 
PRECIPITATION (IN)  
TODAY 0.00 1.40 1986 0.05 -0.05 0.00  
MONTH TO DATE 0.37 0.91 -0.54 0.16  
SINCE SEP 1 0.37 0.91 -0.54 0.16  
SINCE JAN 1 9.60 12.76 -3.16 18.10  
 
SNOWFALL (IN)  
TODAY 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 0.0 0.3 -0.3 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 5 7 -2 0  
MONTH TO DATE 14 81 -67 52  
SINCE SEP 1 14 81 -67 52  
SINCE JUL 1 53 131 -78 108  
 
COOLING  
TODAY 0 1 -1 2  
MONTH TO DATE 32 28 4 46  
SINCE SEP 1 32 28 4 46  
SINCE JAN 1 513 393 120 381    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 11.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 100 AM  
LOWEST 17 200 PM  
AVERAGE 45  
   
......................................................
 
 
THE CHEYENNE WYOMING AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 88 1935  
MINIMUM TEMPERATURE (F) 45 18 1942  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2024.....SUNRISE 643 AM MDT SUNSET 702 PM MDT  
SEPTEMBER 19 2024.....SUNRISE 644 AM MDT SUNSET 701 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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