008  
CDUS45 KCYS 120730  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
1230 AM MST THU DEC 12 2019  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR DECEMBER 11 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 49 133 PM 67 1990 39 10 38  
MINIMUM 14 646 AM -24 2000 9 5 10  
AVERAGE 32 24 8 24  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.24 1938 0.01 -0.01 0.00  
MONTH TO DATE T 0.18 -0.18 0.14  
SINCE JAN 1 18.79 15.52 3.27 16.26  
 
DEGREE DAYS  
HEATING  
YESTERDAY 33 41 -8 41  
MONTH TO DATE 422 442 -20 488  
SINCE DEC 1 422 442 -20 488  
SINCE JUL 1 2396 2241 155 2320  
 
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 25 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 9.4  
 
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 400 AM  
LOWEST 40 600 PM  
AVERAGE 64  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 39 66 2014  
1990  
MINIMUM TEMPERATURE (F) 8 -21 2000  
 
 
SUNRISE AND SUNSET  
DECEMBER 12 2019......SUNRISE 710 AM MST SUNSET 420 PM MST  
DECEMBER 13 2019......SUNRISE 711 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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