Climatological Report (Monthly)
Issued by NWS Rapid City, SD
Issued by NWS Rapid City, SD
000 CXUS53 KUNR 011551 CLMRAP CLIMATE REPORT NATIONAL WEATHER SERVICE RAPID CITY SD 951 AM MDT SUN OCT 01 2023 ................................... ...THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1942 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 104 09/05/2020 09/06/1978 09/04/1960 LOW 18 09/24/1985 09/26/1942 HIGHEST 103 09/02 98 09/01 09/04 LOWEST 42 09/16 36 09/26 09/25 AVG. MAXIMUM 79.8 76.1 3.7 81.7 AVG. MINIMUM 49.1 46.4 2.7 49.1 MEAN 64.4 61.3 3.1 65.4 DAYS MAX >= 90 5 8 DAYS MAX <= 32 0 0 DAYS MIN <= 32 0 0 DAYS MIN <= 0 0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 3.94 1946 MINIMUM 0.03 1975 TOTALS 0.99 1.22 -0.23 0.39 DAILY AVG. 0.03 0.04 -0.01 0.01 DAYS >= .01 10 4 DAYS >= .10 5 2 DAYS >= .50 0 0 DAYS >= 1.00 0 0 GREATEST 24 HR. TOTAL 0.29 09/04 TO 09/05 0.20 DEGREE DAYS HEATING TOTAL 88 175 -87 91 SINCE 7/1 130 213 -83 MM COOLING TOTAL 76 62 14 110 SINCE 1/1 551 604 -53 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 8.4 HIGHEST WIND SPEED/DIRECTION 40/270 DATE 09/04 HIGHEST GUST SPEED/DIRECTION 49/330 DATE 09/05 AVERAGE RH (PERCENT) 62 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 7 MIXED PRECIP 0 HEAVY RAIN 3 RAIN 3 LIGHT RAIN 12 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 1 HAZE 4 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$