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Water-Year Summary for Site 03451500

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Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00045 Precipitation(Sum)  
00060 Discharge(Max.,Min.,Mean)  
00065 Gage height(Max.,Min.,Mean)  

Water year 2016: 2015-10-01 to 2016-09-30
 

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USGS Water-Year Summary 2016
03451500 FRENCH BROAD RIVER AT ASHEVILLE, NC
LOCATION - Lat 35°36'32", long 82°34'41" referenced to North American Datum of 1983, Buncombe County, NC, Hydrologic Unit 06010105, $word 35 36'32", long 82 34'41" (Revised), Buncombe County on right bank 27 ft upstream from Pearson Bridge (Secondary Road 1348) at Asheville, 1.4 miles downstream from bridges on U.S. Highways 19 and 23, 3.2 miles downstream from Swannanoa River, and at mile 145.8. (See USGS Asheville Quad. map, 1:24000, 1961, TVA ref. 192-SE.)
DRAINAGE AREA - 945 mi², (measured by TVA on recent topographic maps, scale (1:24,000). At site used Mar. 19, 1903 to Sept. 30, 1922, 937 sq mi. The main stem and many of the tributaries upstream have rather wide flood plains for this mountainous environment. Relief ranges in elevation from 1,950 ft at gage to 6,000 ft at Chestnut Bald near Brevard. A majority of the flood-plain areas are in cultivation. Otherwise the basin is characterized by steep-sloped areas covered by hardwood forests and dense undercover. The basin is somewhat sparsely populated except for a number of small towns and villages and the City of Asheville. Brevard and Hendersonville are the two largest towns located upstream in the basin. Average rainfall in the basin ranges from 38 inches at Asheville to 80 inches at Rosman.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1895 to current year. Monthly discharge only for some periods, published in WSP 1306.
REVISED RECORDS - WSP 823: Drainage area. WSP 1306: 1901, 1914-15, 1917, 1920-22, 1927, maximum discharge.
GAGE - Water-stage recorder. Datum of gage is 1,950.28 ft above National Geodetic Vertical Datum of 1929. September 17, 1895, to December 31, 1901, nonrecording gage at present site at different datum. March 19, 1903, to July 15, 1916, and January 1, 1917, to September 30, 1922, nonrecording gage at Smith Bridge 1.5 mi upstream at datum 1,961.80 ft. October 1, 1922, to August 9, 1930, nonrecording gage at present site and datum. Satellite and telephone telemetry at streamgage.
REMARKS - Many small diversions from tributaries upstream from station for water supply. Diversions by City of Asheville and others from upstream tributaries in the Swannanoa River basin (station 03451000). Slight diurnal fluctuation and occasional slight regulation at low flow caused by power plant 46 mi upstream and small reservoirs upstream from station.
2014 - Records good except those for estimated daily discharges, which are fair.
2015 - Records fair except those for estimated daily discharges, which are poor.
2016 - Records fair.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum stage observed since at least 1791, that of July 16, 1916, and flood of June 17, 1876, reached a stage of 18 ft, from studies by Tennessee Valley Authority.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge from rating curve extended above 43,000 ft³/s, by logarithmic plotting; maximum gage height, 23.10, from floodmarks.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - October 1998 to October 2014 and April 2015 to current year.
INSTRUMENTATION - Tipping-bucket raingage and electronic datalogger. Satellite telemetry at station.
REMARKS - Gage is operated in cooperation with Tennessee Valley Authority. Precipitation data collected during freezing periods may not be accurately reflected in daily record.
WATER-QUALITY RECORDS
PERIOD OF RECORD - September 2013 to current year.
PERIOD OF DAILY RECORD - WATER TEMPERATURE: September 2013 to current year.
INSTRUMENTATION - Temperature probe since September 2013. Satellite telemetry at station.
REMARKS -
2014 - Records excellent except those less than 0°C, which are fair.
2015 - Records excellent except those less than 0°C, which are fair.
2016 - Records good.
EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE: Maximum recorded, 28.4°C, July 27, 2016; minimum recorded, -0.1°C, several days during January 2014.