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USGS 03025500 Allegheny River at Franklin, PA

 

PROVISIONAL DATA SUBJECT TO REVISION
 
 
 
STATION.--03025500 ALLEGHENY RIVER AT FRANKLIN, PA
LOCATION.--Lat 41`23'22", long 79`49'14", Venango County, Hydrologic Unit 05010003, on right bank at upstream side of Eighth Street bridge on U.S. Highway 322 at Franklin, 1,000 ft downstream from French Creek, and at mile 124.4.
DRAINAGE AREA.--5,982 mi2.
PERIOD OF RECORD.--October 1914 to current year. Monthly discharge only for some periods, published in WSP 1305. Gage-height records collected at same site since April 1905 are contained in reports of U.S. Weather Bureau.
GAGE.--Water-stage recorder. Datum of gage is 955.84 ft above sea level. Prior to Sept. 16, 1932, nonrecording gage, and Sept. 16-30, 1932, water-stage recorder, at present site at datum 2.00 ft higher.
REMARKS.--Flow regulated by Allegheny Reservoir 74 mi upstream since 1965, by Chautauqua Lake since 1941, by Tionesta Lake since 1940, by Union City Reservoir since 1971, and by Woodcock Creek Lake since January 1974. U.S. Army Corps of Engineers satellite telemeter at station.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of Mar. 17, 1865 reached a stage of 25.0 ft, and that of Mar. 26, 1913 a stage of 24.6 ft, from graph based on gage readings, discharge, 196,000 ft3/s and 191,000 ft3/s, respectively, from rating curve extended above 120,000 ft3/s. Maximum discharge since at least 1864 is that of Mar. 17, 1865.
FLOOD STAGE.--NOAA, National Weather Service river forecast station flood stage provided to USGS April 1999 is 17 feet.
COOPERATION.--Funding for the operation of this station is provided by the U.S. Army Corps of Engineers, the Pennsylvania Department of Environmental Protection, and the U.S. Geological Survey.
 
 

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Gage height, feet
Most recent value: 4.66   11-19-2004  12:00
Graph of Gage height, feet
Download a presentation-quality graph Parameter Code 00065; DD 03

Discharge, cubic feet per second
Most recent value: 7,710   11-19-2004  12:00
Graph of Discharge, cubic feet per second
Download a presentation-quality graph Parameter Code 00060; DD 04
Daily mean flow statistics for 11/19 based on 89 years of record in ft3/sec
Current Flow Minimum Mean Maximum 80 percent exceedance 50 percent exceedance 20 percent exceedance
7,710  890 11,850 55,900 3,530 8,460 21,700

Percent exceedance means that 80, 50, or 20 percent of all daily mean flows for 11/19 have been greater than the value shown.
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Retrieved on 2004-11-19 12:57:29 EST
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