158  
CDUS45 KCYS 010432  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
931 PM MST TUE DEC 31 2019  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR DECEMBER 31 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 34 320 PM 68 1904 38 -4 28  
MINIMUM 2 805 AM -28 2014 9 -7 4  
1990  
AVERAGE 18 23 -5 16  
 
PRECIPITATION (IN)  
TODAY 0.00 0.67 1975 0.01 -0.01 T  
MONTH TO DATE 0.05 0.32 -0.27 0.18  
SINCE JAN 1 18.84 15.66 3.18 16.30  
 
DEGREE DAYS  
HEATING  
TODAY 47 42 5 49  
MONTH TO DATE 1193 1282 -89 1062  
SINCE DEC 1 1193 1283 -90 1062  
SINCE JUL 1 3167 3082 85 2894  
 
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 21 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 12.1  
 
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 800 AM  
LOWEST 51 1200 PM  
AVERAGE 65  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 61 1998  
1927  
1918  
MINIMUM TEMPERATURE (F) 9 -27 1979  
 
 
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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