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Water-Year Summary for Site 13342450

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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
13342450 LAPWAI CREEK NEAR LAPWAI, ID
LOCATION - Lat 46°25'35", long 116°48'22" referenced to North American Datum of 1983, in NW 1/4 NE 1/4 NW 1/4 sec.35, T.36 N., R.4 W., Nez Perce County, ID, Hydrologic Unit 17060306, Lapwai quad., on right bank 30 ft upstream from county road bridge, 0.7 mi downstream from Tom Beall Creek, 1.6 mi north of Lapwai, 1.6 mi south of Spalding, and at mile 1.9.
DRAINAGE AREA - 264 mi².
REVISIONS HISTORY - WDR-US-2010: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Oct. 1974 to Sept. 2003, Dec. 2003 to Sept. 2004, Dec. 2006 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 864.64 ft above NGVD of 1929.
REMARKS - Diversions above station for irrigation of about 1,500 acres.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum discharge, 4,380 ft³/s January 1965, on basis of slope-area measurement.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 5,010 ft³/s Feb. 9, 1996, gage height, 9.70 ft, from rating curve extended above 1,500 ft³/s; maximum gage height, 10.22 ft, Feb. 23, 1986; minimum discharge, 0.71 ft³/s Dec. 21, 1990, gage height, 2.39 ft, result of freezup.