217  
CDUS43 KUNR 170831  
CLIICR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
231 AM MDT WED SEP 17 2025  
   
...............................  
 
...THE WINNER REGIONAL AIRPORT SD CLIMATE SUMMARY FOR SEPTEMBER 16 2025...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 9999 TO 9999  
 
WEATHER ITEM OBSERVED TIME NORMAL DEPARTURE LAST  
VALUE (LST) VALUE FROM YEAR  
NORMAL    
...................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 73 231 PM 79 -6 91  
MINIMUM 62 1159 PM 53 9 69  
AVERAGE 68 66 2 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.47 0.06 0.41 0.00  
MONTH TO DATE 0.71 0.95 -0.24 0.03  
SINCE SEP 1 0.71 0.95 -0.24 0.03  
SINCE JAN 1 15.02 16.41 -1.39 17.67  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 34 31 3 1  
SINCE SEP 1 34 31 3 1  
SINCE JUL 1 47 41 6 8  
 
COOLING  
YESTERDAY 3 4 -1 15  
MONTH TO DATE 90 93 -3 155  
SINCE SEP 1 90 93 -3 155  
SINCE JAN 1 1009 1008 1 966    
...................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 9.9  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 800 PM  
LOWEST 51 100 AM  
AVERAGE 72  
   
......................................................  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2025.....SUNRISE 721 AM CDT SUNSET 745 PM CDT  
SEPTEMBER 18 2025.....SUNRISE 723 AM CDT SUNSET 743 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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