668  
CDUS45 KCYS 100726  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
126 AM MDT SUN SEP 10 2023  
   
...............................
 
 
...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 9 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 81 238 PM 91 2021 76 5 52  
MINIMUM 56 630 AM 22 1962 48 8 44  
AVERAGE 69 62 7 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.46 1912 0.06 -0.06 0.04  
MONTH TO DATE T 0.46 -0.46 0.21  
SINCE SEP 1 T 0.46 -0.46 0.21  
SINCE JAN 1 17.98 12.31 5.67 7.31  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE SEP 1 0.0 0.1 -0.1 0.0  
SINCE JUL 1 T 0.1 -0.1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 17  
MONTH TO DATE 5 30 -25 17  
SINCE SEP 1 5 30 -25 17  
SINCE JUL 1 61 80 -19 18  
 
COOLING  
YESTERDAY 4 2 2 0  
MONTH TO DATE 44 18 26 77  
SINCE SEP 1 44 18 26 77  
SINCE JAN 1 379 383 -4 686    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 10.4  
 
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 81 1000 PM  
LOWEST 20 200 PM  
AVERAGE 51  
   
......................................................
 
 
THE CHEYENNE WYOMING AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 96 2021  
MINIMUM TEMPERATURE (F) 48 28 1878  
 
SUNRISE AND SUNSET  
SEPTEMBER 10 2023.....SUNRISE 635 AM MDT SUNSET 717 PM MDT  
SEPTEMBER 11 2023.....SUNRISE 636 AM MDT SUNSET 715 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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