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* IMPORTANT: Next Generation Station Page

USGS 02246500 ST. JOHNS RIVER AT JACKSONVILLE, FL

PROVISIONAL DATA SUBJECT TO REVISION

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This gage is monitored in cooperation with:
Link to the St. Johns River Water Management District.
St. Johns River Water Management District
Link to the National Groundwater and Streamflow Information Program
National Groundwater and Streamflow Information Program.
Link to the US Army Corps of Engineers
US Army Corps of Engineers.
Data are tidally affected -- Astronomical tides cause significant cycles of approximately 24.84 hours at this site. Because a different portion of the 24.84-hour tidal cycle is averaged in successive daily (24-hour) computations, a systematic secondary oscillation, unrelated to basin hydrology and having a period of about two weeks may be apparent in daily data.

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
  
2015-10-29  2019-12-10
1996-10-09  2019-12-10
2007-10-01  2019-12-10
2015-10-29  2019-12-10
2015-10-29  2019-12-10
2010-10-01  2019-12-10
2007-10-01  2019-12-09







 (7)
 

  -- or --

 


 

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


Temperature, water, degrees Celsius

Most recent instantaneous value: 17.8 12-10-2019   18:00 EST
Graph of  Temperature, water, degrees Celsius

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Discharge, cubic feet per second

Most recent instantaneous value: 62200 12-10-2019   18:00 EST
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Dec 10 based on 30 water years of record more
Min
(1999)
25th
percen-
tile
Median Mean 75th
percen-
tile
Max
(2018)
Most Recent
Instantaneous
Value Dec 10
-19900 -1820.00 7500 8820 17900 36500 62200


Gage height, feet

Most recent instantaneous value: 11.11 12-10-2019   18:00 EST
Graph of  Gage height, feet

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

Most recent instantaneous value: 7510 12-10-2019   18:00 EST
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Salinity, water, unfiltered, parts per thousand

Most recent instantaneous value: 4.1 12-10-2019   18:00 EST
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Stream water level elevation above NAVD 1988, in feet

Most recent instantaneous value: 0.03 12-10-2019   18:00 EST
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Discharge, tidally filtered, cubic feet per second

Most recent instantaneous value: 6270 12-09-2019   07:00 EST
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