163  
CDUS45 KCYS 192227  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
326 PM MST THU DEC 19 2019  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR DECEMBER 19 2019
 
 
VALID AS OF 0300 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 40 159 PM 63 1917 38 2 48  
MINIMUM 4 518 AM -17 1989 8 -4 31  
AVERAGE 22 23 -1 40  
 
PRECIPITATION (IN)  
TODAY 0.00 0.20 1902 0.00 0.00 0.03  
MONTH TO DATE 0.04 0.24 -0.20 0.18  
SINCE JAN 1 18.83 15.58 3.25 16.30  
 
DEGREE DAYS  
HEATING  
TODAY 43 42 1 25  
MONTH TO DATE 762 778 -16 585  
SINCE DEC 1 762 778 -16 585  
SINCE JUL 1 2736 2577 159 2417  
 
COOLING  
TODAY 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 16 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 5.2  
 
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 100 AM  
LOWEST 54 100 PM  
AVERAGE 69  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 66 1941  
MINIMUM TEMPERATURE (F) 8 -25 1983  
 
 
SUNRISE AND SUNSET  
DECEMBER 19 2019......SUNRISE 715 AM MST SUNSET 422 PM MST  
DECEMBER 20 2019......SUNRISE 715 AM MST SUNSET 422 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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