487  
CDUS43 KUNR 130835  
CLIRAP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
235 AM MDT SUN SEP 13 2026  
   
...............................
 
 
   
..THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR SEPTEMBER 12 2026
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1942 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 72 336 PM 97 1990 78 -6 91  
2004  
MINIMUM 50 1101 PM 28 2014 48 2 63  
AVERAGE 61 63 -2 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.40 2009 0.04 -0.04 0.02  
MONTH TO DATE 0.19 0.48 -0.29 0.02  
SINCE SEP 1 0.19 0.48 -0.29 0.02  
SINCE JAN 1 9.81 14.47 -4.66 15.51  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 4 0 0  
MONTH TO DATE 4 41 -37 31  
SINCE SEP 1 4 41 -37 31  
SINCE JUL 1 9 79 -70 42  
 
COOLING  
YESTERDAY 0 2 -2 12  
MONTH TO DATE 86 40 46 64  
SINCE SEP 1 86 40 46 64  
SINCE JAN 1 920 582 338 754    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 61 600 AM  
LOWEST 34 300 PM  
AVERAGE 48  
   
......................................................
 
 
THE RAPID CITY AIRPORT SD CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 93 2015  
MINIMUM TEMPERATURE (F) 48 29 1949  
1993  
 
SUNRISE AND SUNSET  
SEPTEMBER 13 2026.....SUNRISE 629 AM MDT SUNSET 706 PM MDT  
SEPTEMBER 14 2026.....SUNRISE 630 AM MDT SUNSET 704 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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