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USGS 02234500 ST. JOHNS RIVER NEAR SANFORD, 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 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 .

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
  
00065 Gage height 2007-10-01  2014-11-26
00060 Discharge 2007-10-01  2014-11-26
00300 Dissolved oxygen 2010-11-10  2014-11-26
63160 Stream level, NAVD 2010-10-01  2014-11-26
00095 Specific cond at 25C 2007-12-12  2014-11-26
00010 Temperature, water 2007-12-12  2014-11-26

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


Gage height, feet

Most recent instantaneous value: 3.69   11-26-2014  15:30 EST
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Discharge, cubic feet per second

Most recent instantaneous value: 4,940   11-26-2014  15:30 EST
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Daily discharge, cubic feet per second -- statistics for Nov 26 based on 21 years of record more
Min
(2007)
25th
percen-
tile
Median Mean Most Recent
Instantaneous
Value Nov 26
75th
percen-
tile
Max
(2006)
79 1240 2450 3100 4940 5790 7390


Dissolved oxygen, water, unfiltered, milligrams per liter

Most recent instantaneous value: 8.4   11-26-2014  15:30 EST
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Stream water level elevation above NAVD 1988, in feet

Most recent instantaneous value: 2.74   11-26-2014  15:30 EST
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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

Most recent instantaneous value: 512   11-26-2014  15:30 EST
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Temperature, water, degrees Celsius

Most recent instantaneous value: 19.0   11-26-2014  15:30 EST
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