657  
CDUS45 KCYS 290727  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
127 AM MDT FRI SEP 29 2023  
   
...............................
 
 
...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 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 82 330 PM 89 2010 67 15 81  
MINIMUM 50 1159 PM 19 1985 41 9 42  
AVERAGE 66 54 12 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.52 1982 0.04 -0.04 0.00  
MONTH TO DATE 0.37 1.39 -1.02 1.04  
SINCE SEP 1 0.37 1.39 -1.02 1.04  
SINCE JAN 1 18.35 13.24 5.11 8.14  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.9 1985 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.8 -0.8 0.0  
SINCE SEP 1 0.0 0.8 -0.8 0.0  
SINCE JUL 1 T 0.8 -0.8 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 11 -11 3  
MONTH TO DATE 86 172 -86 109  
SINCE SEP 1 86 172 -86 109  
SINCE JUL 1 142 222 -80 110  
 
COOLING  
YESTERDAY 1 0 1 0  
MONTH TO DATE 48 30 18 92  
SINCE SEP 1 48 30 18 92  
SINCE JAN 1 383 395 -12 701    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 8.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 66 1100 PM  
LOWEST 13 400 PM  
AVERAGE 40  
   
......................................................
 
 
THE CHEYENNE WYOMING AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 85 1892  
1994  
MINIMUM TEMPERATURE (F) 41 14 1985  
 
SUNRISE AND SUNSET  
SEPTEMBER 29 2023.....SUNRISE 654 AM MDT SUNSET 645 PM MDT  
SEPTEMBER 30 2023.....SUNRISE 655 AM MDT SUNSET 643 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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