682  
CDUS45 KCYS 160729  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
1229 AM MST MON DEC 16 2019  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR DECEMBER 15 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 25 214 PM 64 2002 38 -13 MM  
MINIMUM 0 731 AM -30 1901 8 -8 MM  
AVERAGE 13 23 -10 MM  
 
PRECIPITATION (IN)  
YESTERDAY T 0.98 1925 0.01 -0.01 0.00  
MONTH TO DATE 0.04 0.22 -0.18 0.15  
SINCE JAN 1 18.83 15.56 3.27 16.27  
 
DEGREE DAYS  
HEATING  
YESTERDAY 52 42 10 MM  
MONTH TO DATE 574 610 -36 560  
SINCE DEC 1 574 610 -36 560  
SINCE JUL 1 2548 2409 139 2392  
 
COOLING  
YESTERDAY 0 0 0 MM  
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 14 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 7.4  
 
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 400 AM  
LOWEST 74 100 PM  
AVERAGE 87  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 64 1980  
MINIMUM TEMPERATURE (F) 8 -22 1914  
 
 
SUNRISE AND SUNSET  
DECEMBER 16 2019......SUNRISE 713 AM MST SUNSET 421 PM MST  
DECEMBER 17 2019......SUNRISE 714 AM MST SUNSET 421 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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