621  
CDUS45 KCYS 150727  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
127 AM MDT FRI SEP 15 2023  
   
...............................
 
 
...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 14 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 59 1249 AM 90 1948 74 -15 79  
MINIMUM 49 1159 PM 24 1993 47 2 57  
AVERAGE 54 60 -6 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.16 1.20 2013 0.05 0.11 T  
MONTH TO DATE 0.16 0.71 -0.55 0.48  
SINCE SEP 1 0.16 0.71 -0.55 0.48  
SINCE JAN 1 18.14 12.56 5.58 7.58  
 
SNOWFALL (IN)  
YESTERDAY MM 6.1 1912 0.0 MM 0.0  
MONTH TO DATE 0.0 0.2 -0.2 0.0  
SINCE SEP 1 0.0 0.2 -0.2 0.0  
SINCE JUL 1 T 0.2 -0.2 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 6 5 0  
MONTH TO DATE 39 55 -16 41  
SINCE SEP 1 39 55 -16 41  
SINCE JUL 1 95 105 -10 42  
 
COOLING  
YESTERDAY 0 1 -1 3  
MONTH TO DATE 44 24 20 83  
SINCE SEP 1 44 24 20 83  
SINCE JAN 1 379 389 -10 692    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 10.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 900 PM  
LOWEST 57 1200 AM  
AVERAGE 75  
   
......................................................
 
 
THE CHEYENNE WYOMING AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 89 2000  
2018  
2019  
MINIMUM TEMPERATURE (F) 46 20 1903  
 
SUNRISE AND SUNSET  
SEPTEMBER 15 2023.....SUNRISE 640 AM MDT SUNSET 709 PM MDT  
SEPTEMBER 16 2023.....SUNRISE 641 AM MDT SUNSET 707 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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