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  • USGS 02234500 ST. JOHNS RIVER NEAR SANFORD, FL

    PROVISIONAL DATA SUBJECT TO REVISION

    Click to hidestation-specific text

    This gage is monitored in cooperation with the St. Johns River Water Management District.

    Link to the St. Johns River Water Management District.

    LOCATION.--Lat 28°50'16", long 81°19'28"referenced to North American Datum of 1927, in SW 1/4 sec.16, T.19 S., R.30 E., Seminole County, FL, Hydrologic Unit 03080101, near center of channel on bridge pile under U.S. Highway 17 and 92, at outlet of Lake Monroe, 4 mi northwest of Sanford, and 161 mi upstream from mouth.

    DRAINAGE AREA.--2,582 mi2.

    PERIOD OF RECORD.--July 1932 to January 1933 and August 1941 to June 1956 (discharge measurements only) , October 1964 to September 1968 (gage heights and miscellaneous discharge measurements only), May 1987 to September 1989, March 1995 to current year.

    GAGE.--Water-stage recorder, acoustic velocity meter, continuous water-quality monitor, and data-collection platform. Datum of gage is at NGVD of 1929, prior to October 2005 datum of gage was .09 ft below NGVD of 1929 and 0.95 ft below NAVD of 1988 .

    Available Parameters Available Period
    All 6 Available Parameters for this site
      
    00065 Gage height 2007-10-01  2014-09-02
    00060 Discharge 2007-10-01  2014-09-02
    00300 Dissolved oxygen 2010-11-10  2014-09-02
    63160 Stream level, NAVD 2010-10-01  2014-09-02
    00095 Specific cond at 25C 2007-12-12  2014-09-02
    00010 Temperature, water 2007-12-12  2014-09-02

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    Summary of all available data for this site
    Instantaneous-data availability statement


    Gage height, feet

    Most recent instantaneous value: 3.26   09-03-2014  00:30 EDT
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    Discharge, cubic feet per second

    Most recent instantaneous value: 4,540   09-03-2014  00:30 EDT
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    Daily discharge, cubic feet per second -- statistics for Sep 3 based on 22 years of record more
    Min
    (1999)
    25th
    percen-
    tile
    Median Mean 75th
    percen-
    tile
    Most Recent
    Instantaneous
    Value Sep 3
    Max
    (2008)
    -374 1070 2340 3250 4510 4540 12700


    Dissolved oxygen, water, unfiltered, milligrams per liter

    Most recent instantaneous value: 4.4   09-03-2014  00:30 EDT
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    Stream water level elevation above NAVD 1988, in feet

    Most recent instantaneous value: 2.31   09-03-2014  00:30 EDT
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    Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

    Most recent instantaneous value: 700   09-03-2014  00:30 EDT
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    Temperature, water, degrees Celsius

    Most recent instantaneous value: 31.4   09-03-2014  00:30 EDT
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