235  
CDUS45 KCYS 132229  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
328 PM MST FRI DEC 13 2019  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR DECEMBER 13 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 39 1131 AM 60 2010 38 1 39  
MINIMUM 24 728 AM -17 1917 8 16 16  
2000  
AVERAGE 32 23 9 28  
 
PRECIPITATION (IN)  
TODAY 0.04 0.26 1984 0.01 0.03 0.00  
2007  
MONTH TO DATE 0.04 0.20 -0.16 0.15  
SINCE JAN 1 18.83 15.54 3.29 16.27  
 
DEGREE DAYS  
HEATING  
TODAY 33 42 -9 37  
MONTH TO DATE 482 526 -44 560  
SINCE DEC 1 482 526 -44 560  
SINCE JUL 1 2456 2325 131 2392  
 
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 18 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 6.0  
 
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
LIGHT SNOW  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 200 AM  
LOWEST 76 1200 AM  
AVERAGE 84  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 63 1998  
MINIMUM TEMPERATURE (F) 8 -32 1901  
2008  
 
 
SUNRISE AND SUNSET  
DECEMBER 13 2019......SUNRISE 711 AM MST SUNSET 420 PM MST  
DECEMBER 14 2019......SUNRISE 711 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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