469  
CDUS45 KCYS 170728  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
128 AM MDT SUN SEP 17 2023  
   
...............................
 
 
...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 16 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 76 330 PM 89 2000 74 2 72  
2018  
MINIMUM 43 556 AM 23 1965 46 -3 48  
AVERAGE 60 60 0 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.47 1906 0.05 -0.05 T  
MONTH TO DATE 0.16 0.81 -0.65 0.55  
SINCE SEP 1 0.16 0.81 -0.65 0.55  
SINCE JAN 1 18.14 12.66 5.48 7.65  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.2 1971 0.1 -0.1 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 T 0.3 -0.3 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 6 -1 5  
MONTH TO DATE 52 67 -15 50  
SINCE SEP 1 52 67 -15 50  
SINCE JUL 1 108 117 -9 51  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 44 26 18 83  
SINCE SEP 1 44 26 18 83  
SINCE JAN 1 379 391 -12 692    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 6.7  
 
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 79 400 AM  
LOWEST 18 100 PM  
AVERAGE 49  
   
......................................................
 
 
THE CHEYENNE WYOMING AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 91 2000  
MINIMUM TEMPERATURE (F) 46 23 1965  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2023.....SUNRISE 642 AM MDT SUNSET 705 PM MDT  
SEPTEMBER 18 2023.....SUNRISE 643 AM MDT SUNSET 704 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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