402  
CDUS43 KUNR 120843  
CLIICR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
143 AM MST TUE DEC 12 2017  
 
   
...............................
 
 
 
...THE WINNER REGIONAL AIRPORT SD CLIMATE SUMMARY FOR DECEMBER 11 2017...  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 9999 TO 9999  
 
WEATHER ITEM OBSERVED TIME NORMAL DEPARTURE LAST  
VALUE (LST) VALUE FROM YEAR  
NORMAL    
..................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 50 259 AM 35 15 24  
MINIMUM 32 1159 PM 16 16 -1  
AVERAGE 41 25 16 12  
 
PRECIPITATION (IN)  
YESTERDAY T 0.01 -0.01 T  
MONTH TO DATE 0.07 0.18 -0.11 T  
SINCE DEC 1 0.07 0.18 -0.11 T  
SINCE JAN 1 19.29 21.43 -2.14 18.47  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 40 -16 53  
MONTH TO DATE 308 424 -116 483  
SINCE DEC 1 308 424 -116 483  
SINCE JUL 1 1532 1895 -363 1353  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1113 916 197 1193    
..................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 40 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 50 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 21.0  
 
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 800 PM  
LOWEST 27 300 AM  
AVERAGE 55  
   
......................................................
 
 
 
 
 
SUNRISE AND SUNSET  
DECEMBER 12 2017......SUNRISE 803 AM CST SUNSET 504 PM CST  
DECEMBER 13 2017......SUNRISE 804 AM CST SUNSET 504 PM CST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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