580  
CDUS43 KUNR 211831  
CLIRAP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
1131 AM MST SAT DEC 21 2019  
 
   
...............................
 
 
   
..THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR DECEMBER 21 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 46 1044 AM 65 1991 36 10 55  
MINIMUM 26 621 AM -25 1989 12 14 25  
1983  
AVERAGE 36 24 12 40  
 
PRECIPITATION (IN)  
TODAY 0.00 0.17 1966 0.01 -0.01 0.00  
MONTH TO DATE 0.06 0.27 -0.21 0.53  
SINCE DEC 1 0.06 0.27 -0.21 0.53  
SINCE JAN 1 27.70 16.14 11.56 25.05  
 
DEGREE DAYS  
HEATING  
TODAY 29 41 -12 25  
MONTH TO DATE 752 834 -82 735  
SINCE DEC 1 752 834 -82 735  
SINCE JUL 1 2723 2509 214 2577  
 
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 10 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 2.6  
 
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69 1200 AM  
LOWEST 48 200 AM  
AVERAGE 59  
   
......................................................
 
 
 
THE RAPID CITY AIRPORT SD CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 64 1972  
MINIMUM TEMPERATURE (F) 12 -29 1989  
 
 
SUNRISE AND SUNSET  
DECEMBER 21 2019......SUNRISE 724 AM MST SUNSET 417 PM MST  
DECEMBER 22 2019......SUNRISE 724 AM MST SUNSET 417 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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