447  
CDUS43 KUNR 080039  
CLIRAP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
639 PM MDT MON SEP 07 2026  
   
...............................
 
 
   
..THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR SEPTEMBER 7 2026
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 94 212 PM 99 1978 80 14 88  
1983  
MINIMUM 66 329 AM 32 2020 50 16 41  
AVERAGE 80 65 15 65  
 
PRECIPITATION (IN)  
TODAY 0.06 0.96 2020 0.04 0.02 0.00  
MONTH TO DATE 0.19 0.28 -0.09 0.00  
SINCE SEP 1 0.19 0.28 -0.09 0.00  
SINCE JAN 1 9.81 14.27 -4.46 15.49  
 
DEGREE DAYS  
HEATING  
TODAY 0 4 -4 0  
MONTH TO DATE 0 21 -21 31  
SINCE SEP 1 0 21 -21 31  
SINCE JUL 1 5 59 -54 42  
 
COOLING  
TODAY 15 3 12 0  
MONTH TO DATE 73 26 47 13  
SINCE SEP 1 73 26 47 13  
SINCE JAN 1 907 568 339 703    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 45 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 67 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 12.3  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 300 AM  
LOWEST 17 300 PM  
AVERAGE 54  
   
......................................................
 
 
THE RAPID CITY AIRPORT SD CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 103 1959  
MINIMUM TEMPERATURE (F) 49 30 2020  
 
SUNRISE AND SUNSET  
SEPTEMBER 7 2026.....SUNRISE 622 AM MDT SUNSET 717 PM MDT  
SEPTEMBER 8 2026.....SUNRISE 624 AM MDT SUNSET 715 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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