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Water-Year Summary for Site 12413500

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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 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023
LOCATION - Lat 47°33'16.92", long 116°19'23.16" referenced to North American Datum of 1983, in NW 1/4 SE 1/4 NW 1/4 sec.34, T.49 N., R.1 E., Kootenai County, ID, Hydrologic Unit 17010303, Cataldo quad., on left bank at Cataldo, downstream side of Rails-to-Trails bicycle bridge, 0.9 mi upstream from Interstate 90, 1.5 mi downstream from old gage site, 3.4 mi upstream from Latour Creek, about 2 mi upstream from Coeur d'Alene Lake backwater, 4.9 mi downstream from South Fork, and at mile 162.9.
DRAINAGE AREA - 1,208 mi².
REVISIONS HISTORY - WSP 1396: 1945. WSP 1736: 1934 M. WDR-US-2010: Drainage area.
PERIOD OF RECORD - April 1911 to December 1912, July 1920 to September 1972, October 1986 to current year. Miscellaneous measurements made at this site 1972-80, published as 12413600.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 2,100.00 ft above NGVD of 1929. National Geodetic Survey adjustment in 1991 found datum to be 3.67 ft higher. Apr. 25, 1911 to Dec. 31, 1912, non recording gage at site 1.4 mi upstream at different datum. July 29, 1920 to Oct. 10, 1925, non recording gage, Oct. 11, 1925 to Sept. 30, 1972, recording gage at site 1.5 mi upstream at datum 2.84 ft lower and Aug. 22, 1986 to Feb. 3, 1997, at site 50 ft upstream at same datum.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Jan. 16, 1974 reached a discharge of 79,000 ft³/s, by indirect computation.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 70,000 ft³/s Feb. 9, 1996, gage height, 51.62 ft, from rating curve extended above 30,000 ft³/s, on basis of runoff comparisons with upstream stations; maximum gage height, 56.90 ft, datum then in use, Dec. 22 or 23, 1933, (from floodmark); minimum discharge, 122 ft³/s Dec. 4, 1929.