083  
CDUS45 KCYS 190726  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
1226 AM MST THU DEC 19 2019  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR DECEMBER 18 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 41 122 PM 64 1976 38 3 MM  
MINIMUM 8 515 AM -28 2016 8 0 24  
AVERAGE 25 23 2 MM  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.65 1973 0.00 0.00 0.00  
MONTH TO DATE 0.04 0.24 -0.20 0.15  
SINCE JAN 1 18.83 15.58 3.25 16.27  
 
DEGREE DAYS  
HEATING  
YESTERDAY 40 42 -2 MM  
MONTH TO DATE 719 736 -17 560  
SINCE DEC 1 719 736 -17 560  
SINCE JUL 1 2693 2535 158 2392  
 
COOLING  
YESTERDAY 0 0 0 MM  
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 16 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 6.3  
 
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 400 AM  
LOWEST 58 1000 AM  
AVERAGE 71  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 63 1917  
MINIMUM TEMPERATURE (F) 8 -17 1989  
 
 
SUNRISE AND SUNSET  
DECEMBER 19 2019......SUNRISE 715 AM MST SUNSET 422 PM MST  
DECEMBER 20 2019......SUNRISE 715 AM MST SUNSET 422 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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