USGS Water-Year Summary 2023
13335050 ASOTIN CREEK AT ASOTIN, WA
LOCATION - Lat 46°20'27", long 117°03'18" referenced to North American Datum of 1927, in SW 1/4 SW 1/4 sec.16, T.10 N., R.46 E., Asotin County, WA, Hydrologic Unit 17060103, on right bank near mouth, at upstream side of bridge on State Highway 129, at Asotin, and at mile 0.1.
DRAINAGE AREA - 323 mi².
REVISIONS HISTORY - WDR WA-93-1: 1992(M,m). WDR WA-96-1: 1991(M).
SURFACE-WATER RECORDS
PERIOD OF RECORD - March 1991 to current year.
GAGE - Water-stage recorder and crest stage gage. Datum of gage is 742.57 ft above NGVD of 1929.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 5,050 ft³/s, Jan. 1, 1997, gage height, 7.50 ft, from high-water mark, from rating curve extended above 550 ft³/s, on basis of slope-area measurement of peak flow; minimum daily discharge, 17 ft³/s, Aug. 6, 1998.