928  
CDUS43 KUNR 300839  
CLIRAP  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
239 AM MDT WED SEP 30 2026  
   
...............................  
 
   
..THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR SEPTEMBER 29 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 76 311 PM 100 2024 69 7 90  
MINIMUM 51 1159 PM 21 1984 41 10 54  
AVERAGE 64 55 9 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.05 2014 0.04 -0.04 0.00  
MONTH TO DATE 1.32 1.18 0.14 1.05  
SINCE SEP 1 1.32 1.18 0.14 1.05  
SINCE JAN 1 10.94 15.17 -4.23 16.54  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 10 -9 0  
MONTH TO DATE 54 164 -110 57  
SINCE SEP 1 54 164 -110 57  
SINCE JUL 1 59 202 -143 68  
 
COOLING  
YESTERDAY 0 0 0 7  
MONTH TO DATE 95 62 33 101  
SINCE SEP 1 95 62 33 101  
SINCE JAN 1 929 604 325 791    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 1200 AM  
LOWEST 31 100 PM  
AVERAGE 59  
   
......................................................  
 
THE RAPID CITY AIRPORT SD CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 93 1967  
1989  
MINIMUM TEMPERATURE (F) 41 25 1959  
1974  
1985  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2026.....SUNRISE 649 AM MDT SUNSET 635 PM MDT  
OCTOBER 1 2026.......SUNRISE 650 AM MDT SUNSET 633 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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