659  
CDUS43 KUNR 170834  
CLIRAP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
134 AM MST TUE DEC 17 2019  
 
   
...............................
 
 
   
..THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR DECEMBER 16 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1942 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 36 1231 PM 64 1980 36 0 50  
MINIMUM 9 1114 PM -20 1964 12 -3 23  
AVERAGE 23 24 -1 37  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.30 2016 0.01 -0.01 0.00  
MONTH TO DATE 0.06 0.20 -0.14 0.53  
SINCE DEC 1 0.06 0.20 -0.14 0.53  
SINCE JAN 1 27.70 16.07 11.63 25.05  
 
DEGREE DAYS  
HEATING  
YESTERDAY 42 41 1 28  
MONTH TO DATE 592 629 -37 614  
SINCE DEC 1 592 629 -37 614  
SINCE JUL 1 2563 2304 259 2456  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 399 636 -237 488    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 7.3  
 
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 800 AM  
LOWEST 47 1200 PM  
AVERAGE 64  
   
......................................................
 
 
 
THE RAPID CITY AIRPORT SD CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 69 1998  
MINIMUM TEMPERATURE (F) 12 -23 2016  
1964  
 
 
SUNRISE AND SUNSET  
DECEMBER 17 2019......SUNRISE 721 AM MST SUNSET 415 PM MST  
DECEMBER 18 2019......SUNRISE 722 AM MST SUNSET 416 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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