494  
CDUS43 KUNR 180837  
CLIICR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
237 AM MDT THU SEP 18 2025  
   
...............................  
 
...THE WINNER REGIONAL AIRPORT SD CLIMATE SUMMARY FOR SEPTEMBER 17 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 65 232 PM 79 -14 97  
MINIMUM 59 715 AM 53 6 68  
AVERAGE 62 66 -4 83  
 
PRECIPITATION (IN)  
YESTERDAY 2.41 0.06 2.35 T  
MONTH TO DATE 3.12 1.01 2.11 0.03  
SINCE SEP 1 3.12 1.01 2.11 0.03  
SINCE JAN 1 17.43 16.47 0.96 17.67  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 3 0 0  
MONTH TO DATE 37 34 3 1  
SINCE SEP 1 37 34 3 1  
SINCE JUL 1 50 44 6 8  
 
COOLING  
YESTERDAY 0 4 -4 18  
MONTH TO DATE 90 97 -7 173  
SINCE SEP 1 90 97 -7 173  
SINCE JAN 1 1009 1012 -3 984    
...................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 600 AM  
LOWEST 84 1200 AM  
AVERAGE 92  
   
......................................................  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2025.....SUNRISE 723 AM CDT SUNSET 743 PM CDT  
SEPTEMBER 19 2025.....SUNRISE 724 AM CDT SUNSET 741 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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