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Water-Year Summary for Site 14233500

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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 46°27'59", long 122°06'28" referenced to North American Datum of 1927, in NE 1/4 SW 1/4 sec.06, T.11 N., R.6 E., Lewis County, WA, Hydrologic Unit 17080005, at Cowlitz Falls Dam, 1.1 mi downstream from Cispus River, 8 mi southwest of Randle, 4.5 mi southeast of Kosmos.
DRAINAGE AREA - 1,040 mi².
PERIOD OF RECORD - October 1947 to current year. October 1967 to March 1994, published as "14233400 Cowlitz River near Randle."
GAGE - Discharge determined from flow through turbines and outlet structures of Cowlitz Falls Dam. Prior to December 1948, nonrecording gage at site 0.3 mi downstream. December 1948 to September 1967, water-stage recorder at site 0.8 mi downstream, at datum 760.96 ft above sea level. October 1967 to March 1994, water-stage recorder, at site 0.6 mi upstream, at datum 799.42 ft above NGVD of 1929.
COOPERATION - Records provided by Lewis County Public Utility District since Mar. 8, 1994.
REMARKS - Flow regulated by Cowlitz Falls Dam since Mar. 8, 1994. Water temperatures November 1952 to August 1968, April 1969 to September 1982. Chemical analyses July 1959 to September 1970, December 1973 to September 1985. U.S. Geological Survey satellite telemeter at station.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 103,000 ft³/s, Feb. 9, 1996; no flow part or all of many days 1994-2012 water years.