


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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309 CDUS42 KCHS 310611 CLICXM CLIMATE REPORT NATIONAL WEATHER SERVICE CHARLESTON SC 211 AM EDT SUN AUG 31 2025 ................................... ...THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR AUGUST 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 81 230 AM 95 1912 85 -4 88 1948 1998 MINIMUM 70 950 AM 61 1986 75 -5 80 AVERAGE 76 80 -4 84 PRECIPITATION (IN) YESTERDAY 1.67 3.75 1910 0.19 1.48 0.00 MONTH TO DATE 15.78 5.91 9.87 10.88 SINCE JUN 1 22.18 15.84 6.34 20.55 SINCE JAN 1 33.89 29.53 4.36 40.90 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE JUN 1 0 0 0 0 SINCE JUL 1 0 0 0 0 COOLING YESTERDAY 11 15 -4 19 MONTH TO DATE 466 493 -27 491 SINCE JUN 1 1569 1457 112 1554 SINCE JAN 1 2084 1844 240 2038 ................................................................... WIND (MPH) HIGHEST WIND SPEED 19 HIGHEST WIND DIRECTION SE (130) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SE (130) AVERAGE WIND SPEED 9.1 .......................................................... THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 85 97 1912 1926 MINIMUM TEMPERATURE (F) 75 64 1934 SUNRISE AND SUNSET AUGUST 31 2025........SUNRISE 654 AM EDT SUNSET 745 PM EDT SEPTEMBER 1 2025.....SUNRISE 655 AM EDT SUNSET 744 PM EDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$