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    ALL DATA ARE EASTERN STANDARD TIME

    USGS 01350101 SCHOHARIE CREEK AT GILBOA NY

    PROVISIONAL DATA SUBJECT TO REVISION

    Click to hidestation-specific text

    This station is operated in cooperation with:
       New York Power Authority


    LOCATION.--Lat 42°23'50", long 74°27'02" referenced to North American Datum of 1983, Schoharie County, NY, Hydrologic Unit 02020005, on left bank at downstream side of bridge on State Route 990V, 0.2 mi west of village of Gilboa, 0.4 mi downstream from dam on Schoharie Reservoir, and 0.8 mi upstream from the Platter Kill.
    DRAINAGE AREA.--316 mi2.
    PERIOD OF RECORD.--October 1975 to current year (since October 1983, discharges only for days of Schoharie Reservoir spill and since October 1989, discharges only for days of mean flow exceeding 10 ft3/s).
    REVISED RECORDS.--WDR NY-90-1: Drainage area.
    GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 939.56 ft above NGVD of 1929. Prior to Aug. 29, 2011, at site 200 ft upstream at same datum.
    REMARKS.--No estimated daily discharges. Records fair. Entire flow, runoff from 315 mi2, except for periods of spill, diverted from Schoharie Reservoir through Shandaken Tunnel into Esopus Creek upstream from Ashokan Reservoir for water supply of city of New York. Satellite gage-height telemeter at station.
    EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 111,000 ft3/s, Aug. 28, 2011, gage height, 40.52 ft, from floodmark at site then in use, 32.34 ft, from floodmark at present site, from rating curve extended above 22,000 ft3/s on basis of flow-over-dam measurement of peak flow; minimum daily discharge, 0.04 ft3/s on many days, June to October 1976, and Sept. 11-13, 1980, but may have been lower since October 1983 (see PERIOD OF RECORD); minimum instantaneous discharge not determined.
    EXTREMES OUTSIDE PERIOD OF RECORD.--Maximum discharge, about 65,000 ft3/s, Oct. 16, 1955, by computation of flow over dam; flood of Mar. 18, 1936, reached a discharge of 32,000 ft3/s, from information furnished by Bureau of Water Resources Development, City of New York.
    Derived from NY Annual Water-Data Report 2013

    Peak Flow and Stage Information

    DISCHARGE <10 cfs NOT DETERMINED AT THIS STATION.

    Radar elevation may correspond to top of ice during winter periods.

    This station managed by the NY Water Science Center, Troy.

    Available Parameters Available Period
    All 3 Available Parameters for this site
      
    00060 Discharge 2007-11-17  2014-08-15
    00065 Gage height [backup from radar] 2014-04-29  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


    Gage height, feet, [backup from radar]

    Most recent instantaneous value: 8.72   08-27-2014  21:15 EST
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    Gage height, feet

    Most recent instantaneous value: 8.68   08-27-2014  21:15 EST
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