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    All Maryland-Delaware-District of Columbia times are reported in Eastern Standard Time (EST). To convert to Eastern Daylight Time (EDT) add 1 hour.


    USGS 01610000 POTOMAC RIVER AT PAW PAW, WV

    PROVISIONAL DATA SUBJECT TO REVISION

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    LOCATION.--Lat 39°32'20.1", long 78°27'23.0", Allegany County, Md., Hydrologic Unit 02070003,
       on left bank 250 ft upstream from bridge on Maryland State Highway 51 at Paw Paw, 3.3 mi  downstream
       from Little Cacapon River, and at mile 277.
    DRAINAGE AREA.--3,129 mi2.
    PERIOD OF RECORD.--October 1938 to current year.
    REVISED RECORDS.--WDR WV-97-1: Drainage area.
    GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 487.21 ft above North American Vertical Datum of 1988.
       Prior to Mar. 25, 1939, nonrecording gage at bridge 250 ft downstream at same gage datum.
    REMARKS.--Low flow affected by Stony River Reservoir prior to July 1981, since December 1950 by
       Savage River Reservoir (see station 01597500), and since July 1981 by Jennings Randolph Lake. National Weather Service gage-height 
       telemeter at station. U.S Army Corps of Engineers satellite data-collection platform at station.
    EXTREMES OUTSIDE PERIOD OF RECORD.--Maximum stage known, 54.0 ft on Mar. 18, 1936, discharge, 
       240,000 ft3/s, from rating curve extended above 85,000 ft3/s on basis of slope-area measurement 
       of peak flow at site 5.0 mi upstream at Okonoko, WV.
    EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 235,000 ft3/s, Nov. 5, 1985,
       gage height, 53.58 ft; minimum discharge, 164 ft3/s, Sept. 10-11, 1966.
    COOPERATION.--Funding for the operation of this station is provided by the U.S. Army Corps of Engineers,
       and the U.S. Geological Survey.
    
    Boating safety tips
    This station managed by the MD-DE-DC Water Science Center, Frostburg office.

    Available Parameters Available Period
    All 2 Available Parameters for this site
      
    00060 Discharge 2007-10-01  2014-08-20
    00065 Gage height 2014-04-22  2014-08-20

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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: 557   08-20-2014  16:15 EST
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    Daily discharge, cubic feet per second -- statistics for Aug 20 based on 75 years of record more
    Min
    (1957)
    25th
    percen-
    tile
    Most Recent
    Instantaneous
    Value Aug 20
    Median 75th
    percen-
    tile
    Mean Max
    (1955)
    243 452 557 717 1170 1360 18600


    Gage height, feet

    Most recent instantaneous value: 3.72   08-20-2014  16:15 EST
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