887  
CDUS45 KCYS 220729  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
1228 AM MST SUN DEC 22 2019  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR DECEMBER 21 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 51 224 PM 63 1900 38 13 54  
MINIMUM 20 745 AM -27 1983 8 12 19  
AVERAGE 36 23 13 37  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.52 1918 0.01 -0.01 0.00  
MONTH TO DATE 0.04 0.26 -0.22 0.18  
SINCE JAN 1 18.83 15.60 3.23 16.30  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 42 -13 28  
MONTH TO DATE 828 862 -34 645  
SINCE DEC 1 828 862 -34 645  
SINCE JUL 1 2802 2661 141 2477  
 
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 15 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 7.6  
 
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 100 AM  
LOWEST 38 200 PM  
AVERAGE 61  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 66 1933  
MINIMUM TEMPERATURE (F) 8 -42 1989  
 
 
SUNRISE AND SUNSET  
DECEMBER 22 2019......SUNRISE 716 AM MST SUNSET 423 PM MST  
DECEMBER 23 2019......SUNRISE 717 AM MST SUNSET 424 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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