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    ALL DATA ARE EASTERN STANDARD TIME

    USGS 04221000 GENESEE RIVER AT WELLSVILLE NY

    PROVISIONAL DATA SUBJECT TO REVISION

    Click to hidestation-specific text

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


    LOCATION.--Lat 42°07'20", long 77°57'26" referenced to North American Datum of 1983, Allegany County, NY, Hydrologic Unit 04130002, on left bank 35 ft upstream from concrete weir at Wellsville, 0.5 mi upstream from bridge on State Highway 17, 0.6 mi upstream from Crowner Brook and sewage treatment plant, 0.6 mi downstream from Dyke Creek, and 140.9 mi upstream from mouth.
    DRAINAGE AREA.--288 mi2.
    PERIOD OF RECORD.--August 1955 to September 1958, October 1972 to current year. Records for June 1916 to September 1972, published as Genesee River at Scio (station 04221500) at site 5.2 mi downstream, are not equivalent because of difference in drainage areas.
    REVISED RECORDS.--WDR NY-82-3: Drainage area.
    GAGE.--Water-stage recorder and concrete control. Datum of gage is 1,470.00 ft above NGVD of 1929. August 1955 to September 1957, at same site at datum 8.00 ft higher. October 1957 to September 1958, nonrecording gage at site 0.4 mi upstream at datum 3.00 ft higher.
    REMARKS.--Records good except those for estimated daily discharges, which are fair. Telephone and satellite gage-height telemeters at station.
    EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 22,700 ft3/s, Jan. 19, 1996, gage height, 16.13 ft; minimum discharge, 11 ft3/s, Sept. 2, 3, 1991, Aug. 19, Sept. 6, 1999.
    EXTREMES OUTSIDE PERIOD OF RECORD.--Maximum discharge since June 1916, 38,500 ft3/s, June 23, 1972, gage height, 20.7 ft, present datum, from floodmark, on basis of contracted-opening measurement of peak flow 0.5 mi downstream.
    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
      
    00060 Discharge 2007-10-01  2014-08-30
    00065 Gage height 2014-05-02  2014-08-30

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


    Discharge, cubic feet per second

    Most recent instantaneous value: 49   08-30-2014  22:45 EST
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    Daily discharge, cubic feet per second -- statistics for Aug 31 based on 44 years of record more
    Most Recent
    Instantaneous
    Value Aug 31
    Min
    (1991)
    25th
    percen-
    tile
    Median Mean 75th
    percen-
    tile
    Max
    (2004)
    -- unavailable -- 15 33 51 124 131 840


    Gage height, feet

    Most recent instantaneous value: 4.38   08-30-2014  22:45 EST
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