300  
CDUS45 KCYS 270728  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
128 AM MDT WED SEP 27 2023  
   
...............................
 
 
...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 26 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 81 150 PM 88 2010 68 13 78  
2014  
MINIMUM 45 601 AM 19 1942 42 3 43  
AVERAGE 63 55 8 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.35 1933 0.05 -0.05 0.00  
MONTH TO DATE 0.37 1.31 -0.94 1.04  
SINCE SEP 1 0.37 1.31 -0.94 1.04  
SINCE JAN 1 18.35 13.16 5.19 8.14  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.2 1996 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.7 -0.7 0.0  
SINCE SEP 1 0.0 0.7 -0.7 0.0  
SINCE JUL 1 T 0.7 -0.7 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 10 -8 4  
MONTH TO DATE 85 150 -65 102  
SINCE SEP 1 85 150 -65 102  
SINCE JUL 1 141 200 -59 103  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 47 30 17 92  
SINCE SEP 1 47 30 17 92  
SINCE JAN 1 382 395 -13 701    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 7.7  
 
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 61 1100 PM  
LOWEST 11 100 PM  
AVERAGE 36  
   
......................................................
 
 
THE CHEYENNE WYOMING AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 86 2015  
2021  
MINIMUM TEMPERATURE (F) 41 16 1908  
 
SUNRISE AND SUNSET  
SEPTEMBER 27 2023.....SUNRISE 652 AM MDT SUNSET 648 PM MDT  
SEPTEMBER 28 2023.....SUNRISE 653 AM MDT SUNSET 646 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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