270 SXUS72 KCHS 050620 RERCXM RECORD EVENT REPORT NATIONAL WEATHER SERVICE CHARLESTON SC 0220 AM EDT MON OCT 05 2026 ...RECORD DAILY MAXIMUM RAINFALL SET AT DOWNTOWN CHARLESTON SC... A RECORD RAINFALL OF 3.64 INCHES WAS SET AT DOWNTOWN CHARLESTON SC YESTERDAY. THIS BREAKS THE OLD RECORD OF 2.51 INCHES SET IN 1893. $$