603  
CDUS43 KUNR 091831  
CLIRAP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
1131 AM MST MON DEC 9 2019  
 
   
...............................
 
 
   
..THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR DECEMBER 9 2019
 
 
VALID AS OF 1100 AM 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 20 1059 AM 70 1957 37 -17 36  
MINIMUM 6 711 AM -19 1972 14 -8 11  
AVERAGE 13 25 -12 24  
 
PRECIPITATION (IN)  
TODAY 0.00 0.24 1989 0.01 -0.01 0.00  
MONTH TO DATE T 0.11 -0.11 0.52  
SINCE DEC 1 T 0.11 -0.11 0.52  
SINCE JAN 1 27.64 15.98 11.66 25.04  
 
DEGREE DAYS  
HEATING  
TODAY 52 40 12 41  
MONTH TO DATE 306 347 -41 395  
SINCE DEC 1 306 347 -41 395  
SINCE JUL 1 2277 2022 255 2237  
 
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 31 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 13.5  
 
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 900 AM  
LOWEST 73 1200 AM  
AVERAGE 79  
   
......................................................
 
 
 
THE RAPID CITY AIRPORT SD CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 68 1987  
MINIMUM TEMPERATURE (F) 13 -14 1972  
 
 
SUNRISE AND SUNSET  
DECEMBER 9 2019......SUNRISE 715 AM MST SUNSET 414 PM MST  
DECEMBER 10 2019......SUNRISE 716 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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