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    ALL DATA ARE EASTERN STANDARD TIME

    USGS 01502500 UNADILLA RIVER AT ROCKDALE NY

    PROVISIONAL DATA SUBJECT TO REVISION

    Click to hidestation-specific text

    This station is operated in cooperation with:
       NYS Department of Environmental Conservation


    LOCATION.--Lat 42°22'40", long 75°24'22" referenced to North American Datum of 1983, Chenango County, NY, Hydrologic Unit 02050101, on right bank 400 ft downstream from Chenango-Otsego County highway bridge at Rockdale, and 0.7 mi downstream from Kent Brook.
    DRAINAGE AREA.--520 mi2.
    PERIOD OF RECORD.--November 1929 to September 1933, January 1937 to March 1995, annual maximum only--1996-2000, October 2000 to current year.
    REVISED RECORDS.--WDR NY-74-1: 1973 (P). WDR-US-2011: 2006.
    GAGE.--Water-stage recorder. Datum of gage is 992.25 ft above NGVD of 1929. Prior to January 1937, nonrecording gage at bridge 400 ft upstream at datum 0.73 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, 21,100 ft3/s, Sept. 8, 2011, gage height, 14.22 ft; minimum discharge, 4.3 ft3/s, May 17, 1995, gage height, 4.34 ft.
    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  2014-08-27
    00065 Gage height 2014-04-29  2014-08-27

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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: 359   08-27-2014  09:30 EST
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    Daily discharge, cubic feet per second -- statistics for Aug 27 based on 75 years of record more
    Min
    (1949)
    25th
    percen-
    tile
    Median 75th
    percen-
    tile
    Mean Most Recent
    Instantaneous
    Value Aug 27
    Max
    (2004)
    44 80. 114 185 186 359 802


    Gage height, feet

    Most recent instantaneous value: 4.71   08-27-2014  09:30 EST
    Graph of  Gage height, feet

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