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    ALL DATA ARE EASTERN STANDARD TIME

    USGS 01387420 RAMAPO RIVER AT SUFFERN NY

    PROVISIONAL DATA SUBJECT TO REVISION

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


    LOCATION.--Lat 41°07'06", long 74°09'37" referenced to North American Datum of 1983, Rockland County, NY, Hydrologic Unit 02030103, on left bank 145 ft downstream from highway bridge on New York State Thruway at Suffern, and 1.1 mi upstream from Mahwah River.
    DRAINAGE AREA.--93.0 mi2.
    PERIOD OF RECORD.--June 1979 to current year.
    REVISED RECORDS.--WDR NY-00-1: 1999 (M).
    GAGE.--Water-stage recorder, crest-stage gage, and concrete control. Datum of gage is 264.44 ft above NGVD of 1929.
    REMARKS.--Records fair. Flow affected by diversion from United Water New York well field upstream from station and by occasional regulation by Lake Sebago. Satellite gage-height telemeter at station.
    EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 14,700 ft3/s, Aug. 28, 2011, gage height, 18.88 ft, on basis of runoff comparisons with nearby stations; minimum discharge, 1.7 ft3/s, Sept. 7, 1995, gage height, 1.04 ft.
    EXTREMES OUTSIDE PERIOD OF RECORD.--Maximum discharge, 6,600 ft3/s, Mar. 12, 1936, by computation of flow over dam at site 0.65 mi upstream, drainage area, 90.6 mi2.
    Derived from NY Annual Water-Data Report 2013

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

    Available Parameters Available Period
    All 2 Available Parameters for this site
      
    00060 Discharge 2007-10-01  2014-09-01
    00065 Gage height 2014-05-04  2014-09-01

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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: 20   09-01-2014  02:15 EST
    Graph of  Discharge, cubic feet per second

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    Daily discharge, cubic feet per second -- statistics for Sep 1 based on 35 years of record more
    Min
    (1993)
    25th
    percen-
    tile
    Median Most Recent
    Instantaneous
    Value Sep 1
    75th
    percen-
    tile
    Mean Max
    (2011)
    3.4 13 17 20 29 45 682


    Gage height, feet

    Most recent instantaneous value: 2.43   09-01-2014  02:15 EST
    Graph of  Gage height, feet

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