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USGS 03025500 Allegheny River at Franklin, PA

PROVISIONAL DATA SUBJECT TO REVISION

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Station gage imageSTATION.--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 National Geodetic Vertical Datum of 1929. 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.
The 1-hour precipitation data for this station are temporary and will only be displayed for 120 days. Time series of 1-hour or cumulative daily values will NOT be available for retrieval following the 120-day display period. Although the instrumentation is calibrated at least once a year, the temporary classification means that documented routine inspections and other quality assurance measures are not performed that would make the data acceptable for archival, retrieval, or future use in general scientific or interpretive studies.

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.
GAGE HEIGHTS OF IMPORTANCE.-
Supplied by NWS: Action stage-13 ft; Flood stage-17 ft; Moderate flood stage-19 ft; Major flood stage-21 ft.
COOPERATION.--Funding for the operation of this station is provided by the U.S. Army Corps of Engineers, Pittsburgh District, the Pennsylvania Department of Environmental Protection, and the U.S. Geological Survey.
This station managed by the PAWSC Pittsburgh Field Office.

Available Parameters Available Period
All 7 Available Parameters for this site
  
00065 Gage height 2014-03-27  2014-07-25
00060 Discharge 2007-10-01  2014-07-25
00045 Precipitation 2014-03-27  2014-07-25
00010 Temperature, water 2010-11-17  2014-07-25
00095 Specific cond at 25C 2010-11-17  2014-07-25
00400 pH 2011-07-28  2014-07-25
00300 Dissolved oxygen 2011-07-28  2014-07-25

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Summary of all available data for this site
Instantaneous-data availability statement


Gage height, feet

Most recent instantaneous value: 4.18   07-25-2014  04:00 EDT
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Discharge, cubic feet per second

Most recent instantaneous value: 5,840   07-25-2014  04:00 EDT
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Daily discharge, cubic feet per second -- statistics for Jul 25 based on 73 years of record more
Min
(1966)
25th
percen-
tile
Median Mean Most Recent
Instantaneous
Value Jul 25
75th
percen-
tile
Max
(2003)
700 2240 2920 5100 5840 6010 37700


Precipitation, total, inches

Most recent instantaneous value: 0.00   07-25-2014  04:00 EDT
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Temperature, water, degrees Celsius

Most recent instantaneous value: 20.2   07-25-2014  04:30 EDT
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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

Most recent instantaneous value: 237   07-25-2014  04:30 EDT
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pH, water, unfiltered, field, standard units

Most recent instantaneous value: 7.5   07-25-2014  04:30 EDT
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Dissolved oxygen, water, unfiltered, milligrams per liter

Most recent instantaneous value: 7.4   07-25-2014  04:30 EDT
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Page Contact Information: Pennsylvania Water Data Support Team
Page Last Modified: 2014-07-25 04:59:17 EDT
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