420  
CDUS45 KCYS 070731  
CLIAIA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
1230 AM MST SAT DEC 7 2019  
 
   
...............................
 
 
   
..THE ALLIANCE NE AIRPORT CLIMATE SUMMARY FOR DECEMBER 6 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 40 308 PM 72 1939 40 0 25  
MINIMUM 18 1033 PM -25 2013 10 8 1  
AVERAGE 29 25 4 13  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.20 1995 0.02 -0.02 T  
MONTH TO DATE 0.00 0.11 -0.11 0.14  
SINCE JAN 1 18.79 15.45 3.34 16.26  
 
DEGREE DAYS  
HEATING  
YESTERDAY 36 40 -4 52  
MONTH TO DATE 247 237 10 264  
SINCE DEC 1 247 237 10 264  
SINCE JUL 1 2221 2036 185 2096  
 
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 SW (210)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 8.0  
 
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 400 AM  
LOWEST 70 100 PM  
AVERAGE 85  
   
......................................................
 
 
 
THE ALLIANCE NE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 40 64 2003  
MINIMUM TEMPERATURE (F) 9 -23 2005  
 
 
SUNRISE AND SUNSET  
DECEMBER 7 2019......SUNRISE 706 AM MST SUNSET 420 PM MST  
DECEMBER 8 2019......SUNRISE 706 AM MST SUNSET 419 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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