881  
CDUS45 KCYS 160727  
CLICYS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
127 AM MDT SAT SEP 16 2023  
   
...............................
 
 
...THE CHEYENNE WYOMING AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 15 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 69 153 PM 89 2000 74 -5 72  
2018  
2019  
MINIMUM 44 1152 PM 20 1903 46 -2 50  
AVERAGE 57 60 -3 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.90 2013 0.05 -0.05 0.07  
MONTH TO DATE 0.16 0.76 -0.60 0.55  
SINCE SEP 1 0.16 0.76 -0.60 0.55  
SINCE JAN 1 18.14 12.61 5.53 7.65  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.2 1912 0.0 0.0 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 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 6 2 4  
MONTH TO DATE 47 61 -14 45  
SINCE SEP 1 47 61 -14 45  
SINCE JUL 1 103 111 -8 46  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 44 25 19 83  
SINCE SEP 1 44 25 19 83  
SINCE JAN 1 379 390 -11 692    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 1200 AM  
LOWEST 34 200 PM  
AVERAGE 60  
   
......................................................
 
 
THE CHEYENNE WYOMING AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 89 2000  
2018  
MINIMUM TEMPERATURE (F) 46 23 1965  
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2023.....SUNRISE 641 AM MDT SUNSET 707 PM MDT  
SEPTEMBER 17 2023.....SUNRISE 642 AM MDT SUNSET 705 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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