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Water-Year Summary for Site 12314000

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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
00010 Temperature, water(Min.,Mean,Max.)  
00065 Gage height(Mean)  

Water year 2021: 2020-10-01 to 2021-09-30

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USGS Water-Year Summary 2021
LOCATION - Lat 48°47'38", long 116°22'51" referenced to North American Datum of 1927, in SE 1/4 NW 1/4 SE 1/4 sec.19, T.63 N., R.1 E., Boundary County, ID, Hydrologic Unit 17010104, Farnham Peak quad., on right bank 0.3 mi downstream from dike of drainage district No. 5, 8 mi north of Bonners Ferry, and at mile 139.7.
DRAINAGE AREA - 13,300 mi². approximately.
PERIOD OF RECORD - May to July, September to November 1928, April to September, December 1929, April 1930 to April 2004, May 2004 to September 2005, March 2007 to April 2013 (discontinued), April 2018 to present (elevations only, fragmentary prior to April 1930).
GAGE - Water-stage recorder and water temperature sensor. Datum of gage is 1,700.00 ft above Topographic Division datum of 1928. Gage readings have been reduced to that datum. NGVD of 1929 is about 0.03 ft higher, NAVD of 1988 is 3.798 ft higher. Prior to Sept. 12, 1928, several nonrecording gages within 300 ft, at different datums.
REMARKS - Station equipment includes satellite telemetry. Elevations affected by backwater from Kootenay Lake. No drainage district dike failed during year. Flow regulated by Libby Dam since Mar. 21, 1972. Add 1,700 ft to gage heights to obtain elevations.
EXTREMES FOR PERIOD OF RECORD - Maximum elevation, 1,776.41 ft, June 7, 1961; minimum, 1,738.76 ft, Apr. 1, 1944.
PERIOD OF DAILY RECORD - Water Temperature: July 2020 to current year.