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Water-Year Summary for Site 12391950

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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
00060 Discharge(Mean)  

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

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USGS Water-Year Summary 2020
LOCATION - Lat 48°05'17", long 116°04'22" referenced to North American Datum of 1983, in SW 1/4 SW 1/4 NW 1/4 sec.27, T.55 N., R.3 E., Bonner County, ID, Hydrologic Unit 17010213,

Cabinet quad., on right bank 0.7 mi downstream from Cabinet Gorge Dam at cableway, 2.1 mi downstream from Blue Creek, 6.1 mi southeast of Clark Fork, and at mile 149.2.

DRAINAGE AREA - 22,067 mi².
PERIOD OF RECORD - October 1995 to current year.
GAGE - Water-stage recorder. Datum of gage is 2,060.00 ft above NGVD of 1929 (levels by Washington Water Power Co). See WSP 1933 for history of changes made prior to Sept. 30, 1952. Water-stage recorder at site 0.4 mi upstream at datum 60.00 ft lower Oct. 1, 1952 to Sept. 30, 1964, and at present datum Oct. 1, 1964 to May 21, 1973.
REMARKS - Flow regulated by Hungry Horse Reservoir, Flathead Lake, and Noxon Rapids Reservoir. Extreme diurnal fluctuation caused by power plant at Cabinet Gorge Dam. Diversions above station for irrigation of about 354,000 acres.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 134,000 ft³/s May 18, 1997, gage height, 29.14 ft; minimum daily, 372 ft³/s Sep. 5, 2019, gage height, 4.27 ft. on Sep. 4 and Sep. 5, 2019