851  
CDUS43 KUNR 180834  
CLIRAP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
133 AM MST WED DEC 18 2019  
 
   
...............................
 
 
   
..THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR DECEMBER 17 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 42 245 PM 69 1998 36 6 58  
MINIMUM 9 1222 AM -23 2016 12 -3 23  
1964  
AVERAGE 26 24 2 41  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.22 1985 0.02 -0.02 0.00  
MONTH TO DATE 0.06 0.22 -0.16 0.53  
SINCE DEC 1 0.06 0.22 -0.16 0.53  
SINCE JAN 1 27.70 16.09 11.61 25.05  
 
DEGREE DAYS  
HEATING  
YESTERDAY 39 41 -2 24  
MONTH TO DATE 631 670 -39 638  
SINCE DEC 1 631 670 -39 638  
SINCE JUL 1 2602 2345 257 2480  
 
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 24 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 5.9  
 
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 900 PM  
LOWEST 43 100 PM  
AVERAGE 60  
   
......................................................
 
 
 
THE RAPID CITY AIRPORT SD CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 70 1979  
MINIMUM TEMPERATURE (F) 12 -20 2016  
1983  
 
 
SUNRISE AND SUNSET  
DECEMBER 18 2019......SUNRISE 722 AM MST SUNSET 416 PM MST  
DECEMBER 19 2019......SUNRISE 723 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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