119  
CDUS45 KCYS 162245  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
345 PM MST MON DEC 16 2019  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR DECEMBER 16 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 24 159 PM 64 1980 38 -14 MM  
MINIMUM -5 745 AM -22 1914 8 -13 MM  
AVERAGE 10 23 -13 MM  
 
PRECIPITATION (IN)  
TODAY 0.00 0.25 1908 0.01 -0.01 0.00  
MONTH TO DATE 0.04 0.23 -0.19 0.15  
SINCE JAN 1 18.83 15.57 3.26 16.27  
 
DEGREE DAYS  
HEATING  
TODAY 55 42 13 MM  
MONTH TO DATE 629 652 -23 560  
SINCE DEC 1 629 652 -23 560  
SINCE JUL 1 2603 2451 152 2392  
 
COOLING  
TODAY 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 13 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 7.8  
 
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 95 900 AM  
LOWEST 62 100 PM  
AVERAGE 79  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 68 1980  
MINIMUM TEMPERATURE (F) 8 -28 2016  
 
 
SUNRISE AND SUNSET  
DECEMBER 16 2019......SUNRISE 713 AM MST SUNSET 421 PM MST  
DECEMBER 17 2019......SUNRISE 714 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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