788  
CDUS43 KUNR 310844  
CLIRAP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
143 AM MST TUE DEC 31 2019  
 
   
...............................
 
 
   
..THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR DECEMBER 30 2019
 
 
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)  
YESTERDAY  
MAXIMUM 35 239 PM 60 1965 36 -1 38  
MINIMUM 19 1133 PM -30 1990 12 7 16  
AVERAGE 27 24 3 27  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.20 2018 0.02 -0.02 0.20  
MONTH TO DATE 0.25 0.41 -0.16 1.01  
SINCE DEC 1 0.25 0.41 -0.16 1.01  
SINCE JAN 1 28.38 16.28 12.10 25.53  
 
DEGREE DAYS  
HEATING  
YESTERDAY 38 41 -3 38  
MONTH TO DATE 1074 1203 -129 1116  
SINCE DEC 1 1074 1203 -129 1116  
SINCE JUL 1 3045 2878 167 2958  
 
COOLING  
YESTERDAY 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 38 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 52 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 21.2  
 
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 65 1100 PM  
LOWEST 35 200 PM  
AVERAGE 50  
   
......................................................
 
 
 
THE RAPID CITY AIRPORT SD CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 62 1963  
MINIMUM TEMPERATURE (F) 12 -21 2017  
 
 
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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