383  
CDUS45 KCYS 180728  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
128 AM MDT WED SEP 18 2024  
   
...............................  
 
...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 17 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 82 1133 AM 91 2000 73 9 82  
MINIMUM 49 1139 PM 23 1965 46 3 48  
AVERAGE 66 59 7 65  
 
PRECIPITATION (IN)  
YESTERDAY T 0.34 1971 0.05 -0.05 0.00  
MONTH TO DATE 0.37 0.86 -0.49 0.16  
SINCE SEP 1 0.37 0.86 -0.49 0.16  
SINCE JAN 1 9.60 12.71 -3.11 18.10  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.6 1971 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  
YESTERDAY 0 7 -7 0  
MONTH TO DATE 9 74 -65 52  
SINCE SEP 1 9 74 -65 52  
SINCE JUL 1 48 124 -76 108  
 
COOLING  
YESTERDAY 1 1 0 0  
MONTH TO DATE 32 27 5 44  
SINCE SEP 1 32 27 5 44  
SINCE JAN 1 513 392 121 379    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 36 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 52 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 10.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 600 PM  
LOWEST 23 1000 AM  
AVERAGE 48  
   
......................................................  
 
THE CHEYENNE WYOMING AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 88 1937  
MINIMUM TEMPERATURE (F) 45 24 1971  
 
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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