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    ALL DATA ARE EASTERN STANDARD TIME

    USGS 04223000 GENESEE RIVER AT PORTAGEVILLE NY

    PROVISIONAL DATA SUBJECT TO REVISION

    Click to hidestation-specific text

    This station is operated in cooperation with:
       National Weather Service
       U.S. Army Corps of Engineers - Buffalo District
       U.S. Geological Survey


    LOCATION.--Lat 42°34'13", long 78°02'32" referenced to North American Datum of 1983, Wyoming County, NY, Hydrologic Unit 04130002, on left bank at Portageville, 500 ft downstream from bridge on State Highway 436, 800 ft upstream from abandoned railroad bridge piers, 0.9 mi upstream from Upper Falls, and 89.8 mi upstream from mouth.
    DRAINAGE AREA.--984 mi2.
    PERIOD OF RECORD.--August 1908 to current year. Prior to December 1945, published as "at St. Helena". Records published for both sites December 1945 to September 1950.
    REVISED RECORDS.--WSP 264: 1908. WSP 564: 1916 (M). WDR NY-82-3: Drainage area. WDR NY-72-01: 1950 (M), 1951 (M), 1956 (M), 1959 (M), 1964 (M), 1967 (M).
    GAGE.--Water-stage recorder. Datum of gage is 1,080.00 ft above NGVD of 1929 (levels by Corps of Engineers). Prior to Aug. 24, 1911, nonrecording gage, and Aug. 24, 1911 to Sept. 30, 1946, water-stage recorder, at site 8 mi downstream at different datum. Oct. 1, 1946 to June 21, 1972, water-stage recorder at site 1,200 ft downstream at datum 2.60 ft higher (destroyed by flood of June 1972). June 21, 1972 to July 11, 1972, nonrecording gage at same site and datum. July 12, 1972 to May 18, 1973, nonrecording gage at site 500 ft upstream at datum 11.48 ft higher.
    REMARKS.--Records good except those for estimated daily discharges, which are fair. Since July 1928, some seasonal regulation by Rushford Lake. Diurnal fluctuation at low flow caused by powerplant. Monthly figures of discharge and runoff 1952 to 1966 water years adjusted for change in contents in Rushford Lake. Telephone and satellite gage-height telemeters at station.
    EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, about 90,000 ft3/s, June 23, 1972, gage height, 35.25 ft, at site 1,200 ft downstream at datum 2.60 ft higher, from floodmark, from rating curve extended above 25,000 ft3/s on basis of contracted-opening measurement of 71,000 ft3/s, 0.4 mi upstream and contracted-opening measurement of 98,200 ft3/s, 0.7 mi downstream from gage; minimum discharge, 18 ft3/s, Oct. 5, 17, 1913, gage height, 1.70 ft, site and datum then in use.
    Derived from NY Annual Water-Data Report 2013

    Peak Flow and Stage Information
    This station managed by the NY Water Science Center, Ithaca.

    Available Parameters Available Period
    All 2 Available Parameters for this site
      
    00065 Gage height 2014-04-24  2014-08-22
    00060 Discharge 2007-10-01  2014-08-22

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


    Gage height, feet

    Most recent instantaneous value: 8.81   08-22-2014  22:00 EST
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    Discharge, cubic feet per second

    Most recent instantaneous value: 304   08-22-2014  22:00 EST
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    Daily discharge, cubic feet per second -- statistics for Aug 22 based on 106 years of record more
    Min
    (1913)
    25th
    percen-
    tile
    Median 75th
    percen-
    tile
    Most Recent
    Instantaneous
    Value Aug 22
    Mean Max
    (1915)
    41 116 161 295 304 355 3810