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Water-Year Summary for Site 13305000

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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.
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Available Parameters
00060 Discharge(Mean)  

Water year 2021: 2021-10-01 to 2022-09-30

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USGS Water-Year Summary 2021
LOCATION - Lat 44°56'24", long 113°38'21" referenced to North American Datum of 1983, in NW 1/4 NE 1/4 sec.32, T.19 N., R.24 E., Lemhi County, ID, Hydrologic Unit 17060204, Tendoy quad., on right bank 35 ft upstream from bridge on State Highway 28, 1.4 mi south of Tendoy, 1.8 mi upstream from Agency Creek, 6.2 mi north of Lemhi, and at mile 28.8.
DRAINAGE AREA - 897 mi².
PERIOD OF RECORD - November 1938 to August 1939, April 1955 to September 1963, water years 1964-67 (annual maximum), August 1967 to current year.
GAGE - Water-stage recorder and crest-stage gage. Elevation of gage datum is arbitrary. Prior to Aug. 25, 1967, at site 1.5 mi upstream at different datum. Nov. 1938 to Aug. 1939, non recording gage; Apr. 29, 1955 to Sept. 30, 1963, non recording gage and supplemental crest-stage gage; Oct. 1, 1963 to Aug. 24, 1967, crest-stage gage only.
REMARKS - Diversions above station for irrigation of about 25,500 acres, of which about 200 acres are irrigated by withdrawals from groundwater (1966 determination).
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 2,430 ft³/s June 21, 1984, gage height, 7.19 ft; minimum discharge, 22 ft³/s Sept. 8, 2008, gage height, 1.37 ft.