314  
CDUS43 KUNR 120843  
CLIRAP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
143 AM MST TUE DEC 12 2017  
 
   
...............................
 
 
   
..THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR DECEMBER 11 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1942 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 53 1249 AM 71 2014 37 16 23  
MINIMUM 17 1012 PM -19 2000 13 4 -2  
AVERAGE 35 25 10 11  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.21 1942 0.01 -0.01 0.00  
MONTH TO DATE 0.07 0.14 -0.07 0.03  
SINCE DEC 1 0.07 0.14 -0.07 0.03  
SINCE JAN 1 11.09 16.01 -4.92 12.53  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.5 1975 0.2 -0.2 0.0  
MONTH TO DATE 2.3 2.0 0.3 0.7  
SINCE DEC 1 2.3 2.0 0.3 0.7  
SINCE JUL 1 2.3 9.8 -7.5 3.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 30 40 -10 54  
MONTH TO DATE 318 427 -109 529  
SINCE DEC 1 318 427 -109 529  
SINCE JUL 1 1869 2102 -233 1752  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 709 636 73 646    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 48 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 58 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 25.5  
 
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 900 PM  
LOWEST 19 1200 AM  
AVERAGE 56  
   
......................................................
 
 
 
THE RAPID CITY AIRPORT SD CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 71 2014  
MINIMUM TEMPERATURE (F) 13 -19 2000  
 
 
SUNRISE AND SUNSET  
DECEMBER 12 2017......SUNRISE 718 AM MST SUNSET 414 PM MST  
DECEMBER 13 2017......SUNRISE 719 AM MST SUNSET 414 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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