157  
CDUS43 KUNR 190044  
CLIRAP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
542 PM MST WED DEC 18 2019  
 
   
...............................
 
 
   
..THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR DECEMBER 18 2019
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 52 1132 AM 70 1979 36 16 56  
MINIMUM 18 509 AM -20 2016 12 6 28  
1983  
AVERAGE 35 24 11 42  
 
PRECIPITATION (IN)  
TODAY 0.00 0.30 1973 0.01 -0.01 0.00  
MONTH TO DATE 0.06 0.23 -0.17 0.53  
SINCE DEC 1 0.06 0.23 -0.17 0.53  
SINCE JAN 1 27.70 16.10 11.60 25.05  
 
DEGREE DAYS  
HEATING  
TODAY 30 41 -11 23  
MONTH TO DATE 661 711 -50 661  
SINCE DEC 1 661 711 -50 661  
SINCE JUL 1 2632 2386 246 2503  
 
COOLING  
TODAY 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 9 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 3.2  
 
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 400 AM  
LOWEST 27 1100 AM  
AVERAGE 52  
   
......................................................
 
 
 
THE RAPID CITY AIRPORT SD CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 59 2004  
MINIMUM TEMPERATURE (F) 12 -17 1990  
 
 
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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