342  
CDUS45 KCYS 282236  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
335 PM MST SAT DEC 28 2019  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR DECEMBER 28 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 31 702 AM 64 1999 38 -7 19  
MINIMUM 25 919 AM -12 2012 8 17 0  
1941  
AVERAGE 28 23 5 10  
 
PRECIPITATION (IN)  
TODAY T 0.15 1987 0.01 -0.01 T  
MONTH TO DATE 0.05 0.30 -0.25 0.18  
SINCE JAN 1 18.84 15.64 3.20 16.30  
 
DEGREE DAYS  
HEATING  
TODAY 37 42 -5 55  
MONTH TO DATE 1059 1156 -97 932  
SINCE DEC 1 1059 1156 -97 932  
SINCE JUL 1 3033 2955 78 2764  
 
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 28 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 17.0  
 
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 1200 AM  
LOWEST 81 1100 AM  
AVERAGE 87  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 61 1999  
1996  
MINIMUM TEMPERATURE (F) 8 -20 1990  
 
 
SUNRISE AND SUNSET  
DECEMBER 28 2019......SUNRISE 719 AM MST SUNSET 427 PM MST  
DECEMBER 29 2019......SUNRISE 719 AM MST SUNSET 428 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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