


Climatological Report (Monthly)
Issued by NWS
Issued by NWS
152 CXUS53 KUNR 011536 CLMICR CLIMATE REPORT NATIONAL WEATHER SERVICE RAPID CITY SD 936 AM MDT WED OCT 01 2025 ................................... ...THE WINNER REGIONAL AIRPORT SD CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 9999 TO 9999 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) HIGHEST 92 09/08 98 09/11 09/12 LOWEST 37 09/06 40 09/22 AVG. MAXIMUM 79.9 79.2 0.7 88.2 AVG. MINIMUM 55.1 53.0 2.1 57.5 MEAN 67.5 66.1 1.4 72.8 DAYS MAX >= 90 6 16 DAYS MAX <= 32 0 0 DAYS MIN <= 32 0 0 DAYS MIN <= 0 0 0 PRECIPITATION (INCHES) TOTALS 3.30 1.81 1.49 0.04 DAILY AVG. 0.11 0.06 0.05 0.00 DAYS >= .01 9 2 DAYS >= .10 5 0 DAYS >= .50 1 0 DAYS >= 1.00 1 0 GREATEST 24 HR. TOTAL 2.48 09/17 TO 09/18 0.03 DEGREE DAYS HEATING TOTAL 51 98 -47 19 SINCE 7/1 64 107 -43 MM COOLING TOTAL 133 131 2 259 SINCE 1/1 1052 1046 6 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 9.9 HIGHEST WIND SPEED/DIRECTION 38/320 DATE 09/04 HIGHEST GUST SPEED/DIRECTION 54/320 DATE 09/04 AVERAGE RH (PERCENT) 67 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 5 MIXED PRECIP 0 HEAVY RAIN 1 RAIN 4 LIGHT RAIN 10 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 10 FOG W/VIS <= 1/4 MILE 3 HAZE 4 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$