266  
CDUS45 KCYS 100735  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
135 AM MDT THU SEP 10 2020  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 9 2020
 
 
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)  
YESTERDAY  
MAXIMUM 47 435 PM 99 1931 79 -32 81  
MINIMUM 31 1154 PM 21 1902 46 -15 48  
AVERAGE 39 63 -24 65  
 
PRECIPITATION (IN)  
YESTERDAY T 1.52 2006 0.05 -0.05 0.03  
MONTH TO DATE 0.23 0.49 -0.26 1.32  
SINCE JAN 1 7.36 12.90 -5.54 18.28  
 
DEGREE DAYS  
HEATING  
YESTERDAY 26 4 22 0  
MONTH TO DATE 64 30 34 5  
SINCE SEP 1 64 30 34 5  
SINCE JUL 1 75 67 8 29  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 18 23 -5 44  
SINCE SEP 1 18 23 -5 44  
SINCE JAN 1 745 546 199 501    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 2.1  
 
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 1200 AM  
LOWEST 49 400 PM  
AVERAGE 71  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 99 2012  
MINIMUM TEMPERATURE (F) 46 25 1962  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 10 2020.....SUNRISE 627 AM MDT SUNSET 708 PM MDT  
SEPTEMBER 11 2020.....SUNRISE 628 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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