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USGS 02236000 ST. JOHNS RIVER NEAR DE LAND, FL

PROVISIONAL DATA SUBJECT TO REVISION

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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 29°00'29", long 81°22'58",referenced to North American Datum of 1927, in land grant 38, T.17 S., R.29 E., Lake County, FL, Hydrologic Unit 03080101, attached to fender pilings near center of channel under Francis P. Whitehair Bridge on State Highway 44 , 5 mi west of De Land, and 142 mi upstream from mouth.

DRAINAGE AREA.--3,066 mi2.

PERIOD OF RECORD.--July 1932 to September 1933 (discharge measurements only), October 1933 to current year. Monthly discharge only prior to February 1934, published in WSP 1304.

GAGE.--Water-stage recorder, acoustic velocity meter, water-quality monitor, and data-collection platform. Datum of gage is 0.09 ft below NGVD of 1929 and 1.05 ft below NAVD of 1988. Prior to May 28, 1936, nonrecording gage at site of former Crows Bluff Bridge about 1,000 ft downstream and May 28, 1936 to July 21, 1970, water-stage recorder at site 0.4 mi downstream at present datum. July 22, 1970 to Sept. 30, 1993, water-stage recorder at present site and datum. Oct. 1, 1993 to April 4, 2000, water-stage recorder near right bank 100 ft upstream. Oct. 1, 1959 to Sept. 30, 1975, Oct. 1, 1984 to Mar. 21, 1986, June 16 to Sept. 23, 1991, and Oct. 1, 1992 to Sept. 30, 1993, water-stage recorder for St. Johns River near Sanford (station 02234500) used as auxiliary gage for this station.

REMARKS.--Computed discharge at this station may differ from individual measurements because of changes in tidal influence, wind, or other factors.

Available Parameters Available Period
All 6 Available Parameters for this site
  
00060 Discharge 2007-10-01  2014-10-22
00065 Gage height 2007-10-01  2014-10-22
00010 Temperature, water 2007-12-13  2014-10-22
00095 Specific cond at 25C 2007-12-13  2014-10-22
00300 Dissolved oxygen 2010-11-10  2014-10-22
63160 Stream level, NAVD 2010-10-01  2014-10-22

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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: 6,790   10-22-2014  21:30 EDT
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Daily discharge, cubic feet per second -- statistics for Oct 22 based on 80 years of record more
Min
(1981)
25th
percen-
tile
Median Mean 75th
percen-
tile
Most Recent
Instantaneous
Value Oct 22
Max
(1954)
379 2520 4100 5030 6780 6790 16500


Gage height, feet

Most recent instantaneous value: 3.06   10-22-2014  21:30 EDT
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Temperature, water, degrees Celsius

Most recent instantaneous value: 24.8   10-22-2014  21:30 EDT
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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

Most recent instantaneous value: 535   10-22-2014  21:30 EDT
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Dissolved oxygen, water, unfiltered, milligrams per liter

Most recent instantaneous value: 2.8   10-22-2014  21:30 EDT
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Stream water level elevation above NAVD 1988, in feet

Most recent instantaneous value: 2.01   10-22-2014  21:30 EDT
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