629  
CDUS43 KUNR 010036  
CLIRAP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
536 PM MST TUE DEC 31 2019  
 
   
...............................
 
 
   
..THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR DECEMBER 31 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 37 319 PM 62 1963 36 1 16  
MINIMUM 9 640 AM -21 2017 12 -3 4  
AVERAGE 23 24 -1 10  
 
PRECIPITATION (IN)  
TODAY 0.00 1.04 1975 0.01 -0.01 0.13  
MONTH TO DATE 0.25 0.42 -0.17 1.14  
SINCE DEC 1 0.25 0.42 -0.17 1.14  
SINCE JAN 1 28.38 16.29 12.09 25.66  
 
DEGREE DAYS  
HEATING  
TODAY 42 41 1 55  
MONTH TO DATE 1116 1244 -128 1171  
SINCE DEC 1 1116 1241 -125 1171  
SINCE JUL 1 3087 2916 171 3013  
 
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 N (360)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 3.7  
 
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 600 AM  
LOWEST 44 300 PM  
AVERAGE 59  
   
......................................................
 
 
 
THE RAPID CITY AIRPORT SD CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 63 1998  
MINIMUM TEMPERATURE (F) 12 -20 1974  
 
 
SUNRISE AND SUNSET  
DECEMBER 31 2019......SUNRISE 727 AM MST SUNSET 424 PM MST  
JANUARY 1 2020.......SUNRISE 727 AM MST SUNSET 424 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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