Effective Sunday, March 11, 2018,
data provided on this page will be reported in Eastern Daylight Saving
Time. All timestamps, from this point forward, will be in local time,
and will change between scheduled Daylight Saving and Non-Daylight
Saving Time (Eastern Standard Time)
USGS 021720709 COOPER RIVER AT U.S. HWY 17 AT CHARLESTON, SC