


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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993 CDUS42 KCHS 010610 CLICXM CLIMATE REPORT NATIONAL WEATHER SERVICE CHARLESTON SC 210 AM EDT WED OCT 01 2025 ................................... ...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR SEPTEMBER 30 2025... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1870 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 76 420 PM 94 1904 80 -4 85 MINIMUM 71 1150 PM 50 1967 69 2 78 AVERAGE 74 74 0 82 PRECIPITATION (IN) YESTERDAY 0.00 3.96 2022 0.16 -0.16 0.00 MONTH TO DATE 1.04 5.25 -4.21 4.47 SINCE SEP 1 1.04 5.25 -4.21 4.47 SINCE JAN 1 34.93 34.98 -0.05 45.37 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE SEP 1 0 0 0 0 SINCE JUL 1 0 0 0 0 COOLING YESTERDAY 9 10 -1 17 MONTH TO DATE 354 377 -23 386 SINCE SEP 1 354 377 -23 386 SINCE JAN 1 2449 2238 211 2442 ................................................................... WIND (MPH) HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION N (360) HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION N (360) AVERAGE WIND SPEED 16.7 .......................................................... THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 80 90 1959 MINIMUM TEMPERATURE (F) 69 48 1920 SUNRISE AND SUNSET OCTOBER 1 2025.......SUNRISE 714 AM EDT SUNSET 704 PM EDT OCTOBER 2 2025.......SUNRISE 715 AM EDT SUNSET 703 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$