513  
CDUS45 KCYS 100742  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
1241 AM MST TUE DEC 10 2019  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR DECEMBER 9 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1896 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 32 316 PM 66 2015 39 -7 36  
1957  
MINIMUM 11 721 AM -26 2009 9 2 6  
AVERAGE 22 24 -2 21  
 
PRECIPITATION (IN)  
YESTERDAY T 0.29 1985 0.02 -0.02 0.00  
MONTH TO DATE T 0.16 -0.16 0.14  
SINCE JAN 1 18.79 15.50 3.29 16.26  
 
DEGREE DAYS  
HEATING  
YESTERDAY 43 41 2 44  
MONTH TO DATE 351 360 -9 403  
SINCE DEC 1 351 360 -9 403  
SINCE JUL 1 2325 2159 166 2235  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 516 564 -48 566    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 13.7  
 
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 700 AM  
LOWEST 49 100 PM  
AVERAGE 66  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 39 65 1981  
MINIMUM TEMPERATURE (F) 9 -21 2009  
 
 
SUNRISE AND SUNSET  
DECEMBER 10 2019......SUNRISE 708 AM MST SUNSET 420 PM MST  
DECEMBER 11 2019......SUNRISE 709 AM MST SUNSET 420 PM MST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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