903  
CDUS43 KUNR 230837  
CLIICR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
237 AM MDT TUE SEP 23 2025  
   
...............................  
 
...THE WINNER REGIONAL AIRPORT SD CLIMATE SUMMARY FOR SEPTEMBER 22 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 81 436 PM 77 4 70  
MINIMUM 55 638 AM 50 5 40  
AVERAGE 68 64 4 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.06 -0.05 0.00  
MONTH TO DATE 3.30 1.32 1.98 0.04  
SINCE SEP 1 3.30 1.32 1.98 0.04  
SINCE JAN 1 17.61 16.78 0.83 17.68  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 4 -4 10  
MONTH TO DATE 47 53 -6 14  
SINCE SEP 1 47 53 -6 14  
SINCE JUL 1 60 63 -3 21  
 
COOLING  
YESTERDAY 3 3 0 0  
MONTH TO DATE 95 114 -19 202  
SINCE SEP 1 95 114 -19 202  
SINCE JAN 1 1014 1029 -15 1013    
...................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 9.9  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 400 AM  
LOWEST 56 400 PM  
AVERAGE 78  
   
......................................................  
 
SUNRISE AND SUNSET  
SEPTEMBER 23 2025.....SUNRISE 728 AM CDT SUNSET 734 PM CDT  
SEPTEMBER 24 2025.....SUNRISE 729 AM CDT SUNSET 732 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab SD Page
The Nexlab WY Page
Main Text Page