994  
CDUS45 KCYS 290728  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
1227 AM MST SUN DEC 29 2019  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR DECEMBER 28 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 30 702 AM 64 1999 38 -8 19  
MINIMUM 23 1159 PM -12 2012 8 15 0  
1941  
AVERAGE 27 23 4 10  
 
PRECIPITATION (IN)  
YESTERDAY 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  
YESTERDAY 38 42 -4 55  
MONTH TO DATE 1060 1156 -96 932  
SINCE DEC 1 1060 1156 -96 932  
SINCE JUL 1 3034 2955 79 2764  
 
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 32 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 17.3  
 
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 1200 AM  
LOWEST 81 1100 AM  
AVERAGE 87  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 61 1999  
1996  
MINIMUM TEMPERATURE (F) 8 -20 1990  
 
 
SUNRISE AND SUNSET  
DECEMBER 29 2019......SUNRISE 719 AM MST SUNSET 428 PM MST  
DECEMBER 30 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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