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Water-Year Summary for Site 13302500

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
  • For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
  • Not all sites have reports available for every water year.
Available Parameters
00060 Discharge(Mean)  

Water year 2020: 2019-10-01 to 2020-09-30

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USGS Water-Year Summary 2020
LOCATION - Lat 45°11'01", long 113°53'43" referenced to North American Datum of 1983, in NE 1/4 NE 1/4 sec.06, T.21 N., R.22 E., Lemhi County, ID, Hydrologic Unit 17060203, Salmon quad., on left bank, 1,000 ft downstream from island, 0.4 mi upstream from Lemhi River, 0.5 mi downstream from highway bridge at Salmon, and at mile 258.9.
DRAINAGE AREA - 3,737 mi².
PERIOD OF RECORD - April 1912 to September 1916, July 1919 to current year. Monthly discharge only for some periods, published in WSP 1317.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 3,911.14 ft above NGVD of 1929 (levels by U.S. Army Corps of Engineers). Prior to Oct. 21, 1929, non recording gage at site 700 ft upstream at datum then is use.
REMARKS - Diversions above station for irrigation of about 83,800 acres, of which about 900 acres are irrigated by withdrawals from groundwater (1966 determination).
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 17,700 ft³/s June 17, 1974, gage height, 8.67 ft; maximum gage height, 10.33 ft, Feb. 7, 1985, result of ice jam; minimum discharge, 242 ft³/s Jan. 8, 1937, gage height, 1.50 ft.