Estimated flood stage for this gage is 4 feet. Occasionally the tide affects the gage height at this gage. Datum of gage is NGVD of 1929. Subtract 1.23 feet from gage readings to get elevations to NAVD of 1988.
Percent exceedance means that 80, 50, or 20 percent of all daily mean flows for 11/19 have been greater than the value shown.