USGS Water-Year Summary 2017
13341000 NORTH FORK CLEARWATER RIVER AT AHSAHKA, ID
LOCATION - Lat 46°30'16", long 116°19'10" referenced to North American Datum of 1927, in SW 1/4 SE 1/4 sec.26, T.37 N., R.1 E., Clearwater County, ID, Hydrologic Unit 17060308, Ahsahka quad., just Downstream from the county road bridge, upstream from the mouth, and above the Dworshak fish hatchery.
DRAINAGE AREA - 2,443 mi².
PERIOD OF RECORD - Continuous record 1926-68. Miscellaneous measurements 2003-10.
PERIOD OF RECORD - October 2009 to September 2010. Data from 1993 to September 2003 are available from the U.S. Army Corps of Engineers Walla Walla office, and data from April 2005 to September 2009 are available from the U.S. Geological Survey Kennewick Field Office.
PERIOD OF DAILY RECORD -
WATER TEMPERATURE: October 2009 to Current Year.
TOTAL DISSOLVED GAS: October 2009 to Current Year.
EXTREMES FOR PERIOD OF RECORD - WATER TEMPERATURE: Maximum recorded, 11.1°C, Nov. 12, 2014; minimum recorded, 3.8°C, Mar. 11-16, 2011, but may have been higher or lower during periods of missing record.
TOTAL DISSOLVED GAS: Maximum recorded, 122 percent saturation, April 11-13, 2011; minimum recorded, 91 percent saturation, Jan. 31 - Deb.3, Feb. 9, Mar. 2, 2011, but may have been higher or lower during periods of missing record.