962  
CDUS45 KCYS 310736  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
1236 AM MST TUE DEC 31 2019  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR DECEMBER 30 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 27 310 PM 65 1904 38 -11 48  
MINIMUM 11 1100 PM -28 2014 9 2 12  
AVERAGE 19 23 -4 30  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.29 1957 0.00 0.00 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  
YESTERDAY 46 42 4 35  
MONTH TO DATE 1146 1240 -94 1013  
SINCE DEC 1 1146 1240 -94 1013  
SINCE JUL 1 3120 3039 81 2845  
 
COOLING  
YESTERDAY 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 31 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 19.1  
 
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 200 AM  
LOWEST 55 1000 AM  
AVERAGE 64  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 68 1904  
MINIMUM TEMPERATURE (F) 9 -28 2014  
1990  
 
 
SUNRISE AND SUNSET  
DECEMBER 31 2019......SUNRISE 719 AM MST SUNSET 429 PM MST  
JANUARY 1 2020.......SUNRISE 719 AM MST SUNSET 430 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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