035  
CDUS45 KCYS 210428  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
927 PM MST FRI DEC 20 2019  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR DECEMBER 20 2019
 
 
VALID TODAY AS OF 0900 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 44 225 PM 66 1941 38 6 45  
MINIMUM 11 747 AM -25 1983 8 3 20  
AVERAGE 28 23 5 33  
 
PRECIPITATION (IN)  
TODAY 0.00 0.40 1902 0.01 -0.01 0.00  
MONTH TO DATE 0.04 0.25 -0.21 0.18  
SINCE JAN 1 18.83 15.59 3.24 16.30  
 
DEGREE DAYS  
HEATING  
TODAY 37 42 -5 32  
MONTH TO DATE 799 820 -21 617  
SINCE DEC 1 799 820 -21 617  
SINCE JUL 1 2773 2619 154 2449  
 
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 (270)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 7.9  
 
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 400 AM  
LOWEST 55 1200 PM  
AVERAGE 70  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 63 1900  
MINIMUM TEMPERATURE (F) 8 -27 1983  
 
 
SUNRISE AND SUNSET  
DECEMBER 20 2019......SUNRISE 715 AM MST SUNSET 422 PM MST  
DECEMBER 21 2019......SUNRISE 716 AM MST SUNSET 423 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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