678  
CDUS45 KCYS 090741  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
1240 AM MST MON DEC 9 2019  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR DECEMBER 8 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 1241 PM 67 1991 39 12 38  
MINIMUM 21 1159 PM -24 2005 9 12 11  
AVERAGE 36 24 12 25  
 
PRECIPITATION (IN)  
YESTERDAY T 1.37 1918 0.01 -0.01 0.00  
MONTH TO DATE T 0.14 -0.14 0.14  
SINCE JAN 1 18.79 15.48 3.31 16.26  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 41 -12 40  
MONTH TO DATE 308 319 -11 359  
SINCE DEC 1 308 319 -11 359  
SINCE JUL 1 2282 2118 164 2191  
 
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 35 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 12.4  
 
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 800 AM  
LOWEST 46 100 PM  
AVERAGE 69  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 39 66 2015  
1957  
MINIMUM TEMPERATURE (F) 9 -26 2009  
 
 
SUNRISE AND SUNSET  
DECEMBER 9 2019......SUNRISE 707 AM MST SUNSET 419 PM MST  
DECEMBER 10 2019......SUNRISE 708 AM MST SUNSET 420 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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