204  
CDUS45 KCYS 150738  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
1238 AM MST SUN DEC 15 2019  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR DECEMBER 14 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 30 335 PM 63 1998 38 -8 MM  
MINIMUM 24 1159 PM -32 1901 8 16 13  
2008  
AVERAGE 27 23 4 MM  
 
PRECIPITATION (IN)  
YESTERDAY T 0.80 1902 0.01 -0.01 0.00  
MONTH TO DATE 0.04 0.21 -0.17 0.15  
SINCE JAN 1 18.83 15.55 3.28 16.27  
 
DEGREE DAYS  
HEATING  
YESTERDAY 38 42 -4 MM  
MONTH TO DATE 522 568 -46 560  
SINCE DEC 1 522 568 -46 560  
SINCE JUL 1 2496 2367 129 2392  
 
COOLING  
YESTERDAY 0 0 0 MM  
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 16 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 8.9  
 
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 600 AM  
LOWEST 84 100 AM  
AVERAGE 92  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 64 2002  
MINIMUM TEMPERATURE (F) 8 -30 1901  
 
 
SUNRISE AND SUNSET  
DECEMBER 15 2019......SUNRISE 712 AM MST SUNSET 420 PM MST  
DECEMBER 16 2019......SUNRISE 713 AM MST SUNSET 421 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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