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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
13343000 CLEARWATER RIVER NEAR LEWISTON, ID
LOCATION - Lat 46°26'03", long 116°58'04" referenced to North American Datum of 1983, in NW 1/4 SE 1/4 sec.28, T.36 N., R.5 W., Nez Perce County, ID, Hydrologic Unit 17060306, on right edge bank 3.0 miles upstream of U.S. Highway 12/Memorial Bridge, 4.8 mi upstream of the confluence of the Clearwater and Snake Rivers, and at mile 4.8
DRAINAGE AREA - 9,346 mi².
WATER-QUALITY RECORDS
PERIOD OF RECORD - Seasonal records only April 2009 to September 2018 (discontinued). Seasonal records from April 2003 to September 2008, available in files of the U.S. Geological Survey Kennewick Field Office (U.S. Army Corps of Engineers Walla Walla office has data for April 1996 to September 2003).
PERIOD OF DAILY RECORD - WATER TEMPERATURE: Seasonal records only April 2009 to September 2018 (discontinued).
TOTAL DISSOLVED GAS: Seasonal records only April 2009 to September 2018 (discontinued).
REMARKS - Water Year 2014:
Quality of water temperature records are good and total dissolved gas records are fair.
Water Year 2015:
Quality of water temperature records and total dissolved gas records are good.
Water Years 2016 to 2018:
Quality of water temperature records are excellent and total dissolved gas records are good.
EXTREMES FOR PERIOD OF RECORD - WATER TEMPERATURE: Maximum recorded, 19.1°C, June 10, 2015 ; minimum recorded, 3.4°C, Mar. 7, 2012, but may have been higher or lower during periods of missing record.
TOTAL DISSOLVED GAS: Maximum recorded, 113 percent saturation, several days during 2017; minimum, 87 percent saturation, Mar. 31, 2010, but may have been higher or lower during periods of missing record.
