USGS Water-Year Summary 2024
12043300 HOKO RIVER NEAR SEKIU, WA
LOCATION - Lat 48°14'30", long 124°22'57" referenced to North American Datum of 1927, in NE 1/4 SW 1/4 sec.28, T.32 N., R.13 W., Clallam County, WA, Hydrologic Unit 17110021, on right bank 2.2 mi upstream from Little Hoko River, 4.0 mi southwest of Sekiu, and at mile 5.3.
DRAINAGE AREA - 51.2 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 1962 to September 1974, water years 1975-78 (annual maximum), June 1983 to September 1995 (seasonal records), October 1995 to current year.
GAGE - Water-stage recorder. Datum of gage is 50 ft above NGVD of 1929 (from topographic map) and is 37.29 ft above NAVD of 1988 (USGS GNSS and differential levels survey, July 28, 2020).
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 19,400 ft³/s, Dec. 15, 1999, gage height, 16.75 ft, from rating curve extended above 2,100 ft³/s, on basis of slope-area measurement at gage height, 12.49 ft; and 19,400 ft³/s, Nov. 15, 2021, gage height 17.08 ft, from Rating 14; minimum discharge, 7.35 ft³/s, Aug. 24-27 2015, and Aug. 19-22, 2023.