751  
CDUS45 KCYS 122245  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
345 PM MST THU DEC 12 2019  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR DECEMBER 12 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 51 136 PM 66 2014 39 12 43  
1990  
MINIMUM 24 215 AM -21 2000 8 16 17  
AVERAGE 38 23 15 30  
 
PRECIPITATION (IN)  
TODAY 0.00 0.20 1901 0.01 -0.01 0.01  
MONTH TO DATE T 0.19 -0.19 0.15  
SINCE JAN 1 18.79 15.53 3.26 16.27  
 
DEGREE DAYS  
HEATING  
TODAY 27 42 -15 35  
MONTH TO DATE 449 484 -35 523  
SINCE DEC 1 449 484 -35 523  
SINCE JUL 1 2423 2283 140 2355  
 
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 22 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 8.4  
 
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 800 AM  
LOWEST 42 100 PM  
AVERAGE 64  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 60 2010  
MINIMUM TEMPERATURE (F) 8 -17 1917  
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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