721  
CDUS45 KCYS 102229  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
328 PM MST TUE DEC 10 2019  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR DECEMBER 10 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 35 153 PM 65 1981 39 -4 39  
MINIMUM 20 707 AM -21 2009 9 11 2  
AVERAGE 28 24 4 21  
 
PRECIPITATION (IN)  
TODAY 0.00 0.50 1901 0.01 -0.01 0.00  
MONTH TO DATE T 0.17 -0.17 0.14  
SINCE JAN 1 18.79 15.51 3.28 16.26  
 
DEGREE DAYS  
HEATING  
TODAY 37 41 -4 44  
MONTH TO DATE 388 401 -13 447  
SINCE DEC 1 388 401 -13 447  
SINCE JUL 1 2362 2200 162 2279  
 
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 18 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 9.6  
 
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 700 AM  
LOWEST 52 300 PM  
AVERAGE 65  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 39 67 1990  
MINIMUM TEMPERATURE (F) 9 -24 2000  
 
 
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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