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    USGS 01606500 SOUTH BRANCH POTOMAC RIVER NEAR PETERSBURG, WV

    PROVISIONAL DATA SUBJECT TO REVISION

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    LOCATION.--Lat 38°59'28", long 79°10'34", 
          referenced to North American Datum of 1927, Grant County, WV, Hydrologic Unit 02070001, 
          on right bank 1.1 mi downstream from North Fork South Branch Potomac River, 
          2.6 mi west of Petersburg, and at mile 74.7.
    DRAINAGE AREA.--651 mi2.
    PERIOD OF RECORD.--June 1928 to current year (daily discharge and peaks).
    REVISED RECORDS.--WSP 951: 1939-41. WSP 1141: 1932, 1933(M), 1936-38. 
          WDR WV-US-2006: Drainage area. WDR-US-2009: 1938 (M).
    GAGE.--Water-stage recorder with satellite telemeter. 
          Datum of gage is 967.87 ft above NAVD 88 (VERTCON conversion of 968.34 ft above NGVD 29). 
          Prior to Dec. 4, 1928, nonrecording gage and June 1928 to Nov. 5, 1985, 
          water-stage recorder at site 1,125 ft downstream at datum 962.00 ft above COE 12. 
          Nov. 5, 1985, to June 22, 1994, and Oct. 23, 1996 to current year, 
          water-stage recorder at present site and datum. June 22, 1994, to Oct. 23, 1996, 
          water-stage recorder at site 325 ft downstream at datum 2.34 ft lower.
    EXTREMES OUTSIDE PERIOD OF RECORD.--Flood in November 1877 reached a stage of 21.2 ft, 
          from floodmarks at site and datum then in use, discharge, about 59,000 ft3/s. 
          Flood of 1924 reached a stage of 19.2 ft, from floodmarks at site and datum then in use, 
          discharge, about 45,000 ft3/s.
    This gaging station is maintained in cooperation with:
            State of West Virginia
    

    Current shift adjusted stage-discharge rating table. These tab delimited tables are updated daily and can change frequently. If you use these ratings, it is important that you update often so that you have the most current version.
    What is a shift adjusted stage-discharge rating?

    This station managed by the Leetown Field Office.

    Available Parameters Available Period
    All 3 Available Parameters for this site
      
    00060 Discharge 2007-10-01  2014-08-20
    00045 Precipitation 2014-04-22  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: 85   08-20-2014  18:00 EDT
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    Daily discharge, cubic feet per second -- statistics for Aug 20 based on 86 years of record more
    Min
    (1930)
    Most Recent
    Instantaneous
    Value Aug 20
    25th
    percen-
    tile
    Median Mean 75th
    percen-
    tile
    Max
    (1955)
    53 85 86 135 246 263 2480


    Gage height, feet

    Most recent instantaneous value: 3.07   08-20-2014  18:00 EDT
    Graph of  Gage height, feet

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