200  
CDUS43 KUNR 201831  
CLIRAP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
1131 AM MST FRI DEC 20 2019  
 
   
...............................
 
 
   
..THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR DECEMBER 20 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 38 1059 AM 63 1954 36 2 49  
MINIMUM 22 156 AM -20 1983 12 10 22  
AVERAGE 30 24 6 36  
 
PRECIPITATION (IN)  
TODAY 0.00 0.29 1967 0.01 -0.01 0.00  
MONTH TO DATE 0.06 0.26 -0.20 0.53  
SINCE DEC 1 0.06 0.26 -0.20 0.53  
SINCE JAN 1 27.70 16.13 11.57 25.05  
 
DEGREE DAYS  
HEATING  
TODAY 35 41 -6 29  
MONTH TO DATE 728 793 -65 710  
SINCE DEC 1 728 793 -65 710  
SINCE JUL 1 2699 2468 231 2552  
 
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 12 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 6.0  
 
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 65 200 AM  
LOWEST 48 1100 AM  
AVERAGE 57  
   
......................................................
 
 
 
THE RAPID CITY AIRPORT SD CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 65 1991  
MINIMUM TEMPERATURE (F) 12 -25 1989  
1983  
 
 
SUNRISE AND SUNSET  
DECEMBER 20 2019......SUNRISE 723 AM MST SUNSET 416 PM MST  
DECEMBER 21 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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