247  
CDUS43 KUNR 170835  
CLIRAP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
134 AM MST FRI JAN 17 2020  
 
   
...............................
 
 
   
..THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR JANUARY 16 2020
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1942 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 40 349 PM 68 1973 37 3 26  
MINIMUM 9 646 AM -26 1982 13 -4 23  
AVERAGE 25 25 0 25  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.13 1990 0.01 -0.01 0.00  
MONTH TO DATE 0.13 0.17 -0.04 T  
SINCE DEC 1 0.38 0.59 -0.21 1.14  
SINCE JAN 1 0.13 0.17 -0.04 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 40 40 0 40  
MONTH TO DATE 649 642 7 563  
SINCE DEC 1 1765 1883 -118 1734  
SINCE JUL 1 3736 3558 178 3576  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 19.1  
 
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 600 AM  
LOWEST 40 400 PM  
AVERAGE 58  
   
......................................................
 
 
 
THE RAPID CITY AIRPORT SD CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 62 1972  
1946  
MINIMUM TEMPERATURE (F) 13 -24 1943  
 
 
SUNRISE AND SUNSET  
JANUARY 17 2020.......SUNRISE 723 AM MST SUNSET 442 PM MST  
JANUARY 18 2020.......SUNRISE 722 AM MST SUNSET 443 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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