


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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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. $$