671  
CDUS45 KCYS 180327  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
927 PM MDT THU SEP 17 2020  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 17 2020
 
 
VALID TODAY AS OF 0900 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1896 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 80 315 PM 100 2000 76 4 83  
MINIMUM 47 615 AM 29 1965 42 5 48  
1912  
1903  
AVERAGE 64 59 5 66  
 
PRECIPITATION (IN)  
TODAY 0.00 1.25 1996 0.05 -0.05 0.00  
MONTH TO DATE 0.50 0.85 -0.35 1.37  
SINCE JAN 1 7.63 13.26 -5.63 18.33  
 
DEGREE DAYS  
HEATING  
TODAY 1 7 -6 0  
MONTH TO DATE 120 77 43 28  
SINCE SEP 1 120 77 43 28  
SINCE JUL 1 131 114 17 52  
 
COOLING  
TODAY 0 1 -1 1  
MONTH TO DATE 24 33 -9 52  
SINCE SEP 1 24 33 -9 52  
SINCE JAN 1 751 556 195 509    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 8.1  
 
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 100 AM  
LOWEST 28 300 PM  
AVERAGE 57  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 94 1998  
MINIMUM TEMPERATURE (F) 42 25 1912  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2020.....SUNRISE 634 AM MDT SUNSET 656 PM MDT  
SEPTEMBER 18 2020.....SUNRISE 635 AM MDT SUNSET 654 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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