846  
CDUS43 KUNR 211831  
CLIRAP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
1131 AM MST TUE JAN 21 2020  
 
   
...............................
 
 
   
..THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR JANUARY 21 2020
 
 
VALID AS OF 1100 AM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 43 1059 AM 64 1989 37 6 21  
MINIMUM 29 1220 AM -25 1949 13 16 14  
AVERAGE 36 25 11 18  
 
PRECIPITATION (IN)  
TODAY 0.00 0.28 1986 0.01 -0.01 0.09  
MONTH TO DATE 0.13 0.21 -0.08 0.24  
SINCE DEC 1 0.38 0.63 -0.25 1.38  
SINCE JAN 1 0.13 0.21 -0.08 0.24  
 
DEGREE DAYS  
HEATING  
TODAY 29 40 -11 47  
MONTH TO DATE 861 842 19 782  
SINCE DEC 1 1977 2083 -106 1953  
SINCE JUL 1 3948 3758 190 3795  
 
COOLING  
TODAY 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 24 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 10.2  
 
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 63 1200 AM  
LOWEST 44 400 AM  
AVERAGE 54  
   
......................................................
 
 
 
THE RAPID CITY AIRPORT SD CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 62 1981  
MINIMUM TEMPERATURE (F) 13 -18 1962  
 
 
SUNRISE AND SUNSET  
JANUARY 21 2020.......SUNRISE 720 AM MST SUNSET 447 PM MST  
JANUARY 22 2020.......SUNRISE 720 AM MST SUNSET 448 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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