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Water-Year Summary for Site 12392500

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00065 Gage height(Obs.)  

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

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USGS Water-Year Summary 2021
LOCATION - Lat 48°16'35", long 116°20'51" referenced to North American Datum of 1983, in NW 1/4 SE 1/4 NW 1/4 sec.21, T.57 N., R.1 E., Bonner County, ID, Hydrologic Unit 17010214, Trout Peak quad., 0.5 mi southeast of Trestle Creek and 2.5 mi northwest of Hope.
DRAINAGE AREA - 22,900 mi². (natural drainage area above mouth of lake at Sandpoint).
PERIOD OF RECORD - March 1914 to current year. Published as "at Sandpoint" 1914-22. Records published for both sites September 1921 to September 1922. Published as "at Hope" September 1921 to December 1974.
GAGE - Water-stage recorder. Datum of gage is 2,000.00 ft above NGVD of 1929; gage readings have been reduced to elevations of that datum. Prior to Oct. 1, 1921, non recording gage at Sandpoint at datum 42.18 ft higher. Oct. 1, 1921 to Sept. 30, 1929, non recording gage "at Hope" site at datum 45.47 ft higher than present datum. Oct. 1, 1929 to Sept. 30, 1950, water-stage recorder "at Hope" site at datum 0.20 ft lower than present datum. Oct. 1, 1950 to Dec. 23, 1974, water-stage recorder "at Hope" site at present datum.
REMARKS - Regulation at Albeni Falls Dam beginning June 4, 1952. Contents shown is that above elevation 2,044.8 ft, but does not include storage in Pend Oreille River above Albeni Falls Dam.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum elevation known, 2,075.88 ft, present datum, June 1894, contents, 2,905,000 acre-ft.
EXTREMES FOR PERIOD OF RECORD - Maximum elevation, 2,071.62 ft, present datum, June 9, 1948, contents, 2,462,000 acre-ft; minimum, 2,046.27 ft, present datum, Feb. 17, 1936, contents, 117,700 acre-ft.