281  
CDUS43 KUNR 190835  
CLIRAP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
235 AM MDT SAT SEP 19 2026  
   
...............................
 
 
   
..THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR SEPTEMBER 18 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 77 347 PM 97 1998 75 2 69  
MINIMUM 60 715 AM 24 1991 46 14 50  
AVERAGE 69 60 9 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.22 0.86 1946 0.04 0.18 0.02  
MONTH TO DATE 0.58 0.71 -0.13 1.05  
SINCE SEP 1 0.58 0.71 -0.13 1.05  
SINCE JAN 1 10.20 14.70 -4.50 16.54  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 6 -6 5  
MONTH TO DATE 22 74 -52 43  
SINCE SEP 1 22 74 -52 43  
SINCE JUL 1 27 112 -85 54  
 
COOLING  
YESTERDAY 4 2 2 0  
MONTH TO DATE 93 52 41 79  
SINCE SEP 1 93 52 41 79  
SINCE JAN 1 927 594 333 769    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 5.9  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 56 300 PM  
AVERAGE 78  
   
......................................................
 
 
THE RAPID CITY AIRPORT SD CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 95 2022  
MINIMUM TEMPERATURE (F) 45 22 1991  
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2026.....SUNRISE 636 AM MDT SUNSET 655 PM MDT  
SEPTEMBER 20 2026.....SUNRISE 637 AM MDT SUNSET 653 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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