869  
CDUS45 KCYS 300432  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
931 PM MST SUN DEC 29 2019  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR DECEMBER 29 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 27 306 PM 61 1999 38 -11 38  
1996  
MINIMUM 22 738 AM -20 1990 8 14 0  
AVERAGE 25 23 2 19  
 
PRECIPITATION (IN)  
TODAY T 0.22 1922 0.01 -0.01 0.00  
MONTH TO DATE 0.05 0.31 -0.26 0.18  
SINCE JAN 1 18.84 15.65 3.19 16.30  
 
DEGREE DAYS  
HEATING  
TODAY 40 42 -2 46  
MONTH TO DATE 1100 1198 -98 978  
SINCE DEC 1 1100 1198 -98 978  
SINCE JUL 1 3074 2997 77 2810  
 
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 36 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 26.6  
 
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 200 AM  
LOWEST 68 200 PM  
AVERAGE 76  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 65 1904  
MINIMUM TEMPERATURE (F) 9 -28 2014  
 
 
SUNRISE AND SUNSET  
DECEMBER 29 2019......SUNRISE 719 AM MST SUNSET 428 PM MST  
DECEMBER 30 2019......SUNRISE 719 AM MST SUNSET 428 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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