845  
CDUS43 KUNR 210831  
CLIRAP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
130 AM MST SAT DEC 21 2019  
 
   
...............................
 
 
   
..THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR DECEMBER 20 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 47 215 PM 63 1954 36 11 49  
MINIMUM 22 156 AM -20 1983 12 10 22  
AVERAGE 35 24 11 36  
 
PRECIPITATION (IN)  
YESTERDAY 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  
YESTERDAY 30 41 -11 29  
MONTH TO DATE 723 793 -70 710  
SINCE DEC 1 723 793 -70 710  
SINCE JUL 1 2694 2468 226 2552  
 
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 12 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 3.9  
 
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 600 PM  
LOWEST 45 100 PM  
AVERAGE 59  
   
......................................................
 
 
 
THE RAPID CITY AIRPORT SD CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 65 1991  
MINIMUM TEMPERATURE (F) 12 -25 1989  
1983  
 
 
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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