Climatological Report (Monthly)
Issued by NWS
Issued by NWS
000 CXUS52 KCHS 011443 CLMCXM CLIMATE REPORT NATIONAL WEATHER SERVICE CHARLESTON SC 1034 AM EDT SUN OCT 01 2023 ................................... ...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1870 TO 2023 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 100 09/05/1944 09/04/1944 09/02/1912 LOW 50 09/30/1967 09/29/1942 HIGHEST 93 09/06 92 09/06 LOWEST 65 09/28 60 09/30 AVG. MAXIMUM 82.7 82.6 0.1 82.9 AVG. MINIMUM 71.9 72.5 -0.6 73.0 MEAN 77.3 77.6 -0.3 77.9 DAYS MAX >= 90 3 1.7 1.3 3 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 0.0 0.0 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 16.24 1945 MINIMUM 0.40 1901 TOTALS 5.74 5.25 0.49 7.82 DAYS >= .01 10 8.6 1.4 10 DAYS >= .10 7 5.8 1.2 6 DAYS >= .50 4 2.8 1.2 3 DAYS >= 1.00 1 1.4 -0.4 2 GREATEST 24 HR. TOTAL 2.89 09/17 DEGREE DAYS HEATING TOTAL 0 1 -1 2 SINCE 7/1 0 0 0 MM COOLING TOTAL 380 377 3 396 SINCE 1/1 2336 2238 98 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 8.1 HIGHEST WIND SPEED/DIRECTION 35/000 HIGHEST GUST SPEED/DIRECTION 38/120 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$