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    ALL DATA ARE EASTERN STANDARD TIME

    USGS 03010820 ALLEGHENY RIVER AT OLEAN, NY

    PROVISIONAL DATA SUBJECT TO REVISION

    Click to hidestation-specific text

    This station is operated in cooperation with:
       U.S. Army Corps of Engineers -- Pittsburgh District


    LOCATION.--Lat 42°04'23", long 78°27'04" referenced to North American Datum of 1983, Cattaraugus County, NY, Hydrologic Unit 05010001, on right bank in sewage treatment facility pump house, 1.6 mi downstream from Olean Creek, in Olean.
    DRAINAGE AREA.--1,192 mi2.
    PERIOD OF RECORD.--August 2010 to current year.
    GAGE.--Water-stage recorder. Elevation of gage is 1,405 ft above NGVD of 1929, from topographic map.
    REMARKS.--Records good except for estimated daily discharges, which are fair. Satellite gage-height telemeter at station.
    EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 27,300 ft/s, Dec. 2, 2010, gage height, 15.74 ft; minimum discharge, 133 ft/s, July 25, 2011, gage height, -1.09 ft.
    EXTREMES OUTSIDE PERIOD OF RECORD.--Maximum discharge, 59,000 ft3/s, June 23, 1972, provided by the U.S. Army Corps of Engineers.
    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 3 Available Parameters for this site
      
    00065 Gage height 2014-05-05  2014-09-02
    00060 Discharge 2010-08-21  2014-09-02
    00045 Precipitation 2014-05-05  2014-09-02

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


    Gage height, feet

    Most recent instantaneous value: -0.07   09-02-2014  18:30 EST
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    Discharge, cubic feet per second

    Most recent instantaneous value: 618   09-02-2014  18:30 EST
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    Daily discharge, cubic feet per second -- statistics for Sep 2 based on 4 years of record more
    Min
    (2012)
    25th
    percen-
    tile
    Median Mean 75th
    percen-
    tile
    Max
    (2011)
    Most Recent
    Instantaneous
    Value Sep 2
    161 176 265 273 377 400 618