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USGS 02246500 ST. JOHNS RIVER AT JACKSONVILLE, FL

PROVISIONAL DATA SUBJECT TO REVISION

Click to hidestation-specific text
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  2024-05-25
1996-10-09  2024-05-25
2007-10-01  2024-05-25
2015-10-29  2024-05-25
2015-10-29  2024-05-25
2010-10-01  2024-05-25
2017-10-01  2024-05-25
2007-10-01  2024-05-24
2017-10-01  2024-05-25
2017-10-01  2024-05-25
2024-01-26  2024-05-25







 (7)
 

  -- or --

 


 

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


Temperature, water, degrees Celsius

Most recent instantaneous value: 28.3 05-25-2024   12:45 EDT
Graph of  Temperature, water, degrees Celsius

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Discharge, cubic feet per second

Most recent instantaneous value: -118000 05-25-2024   13:00 EDT
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for May 25 based on 36 water years of record more
Most Recent
Instantaneous
Value May 25
Min
(2008)
25th
percen-
tile
Median Mean 75th
percen-
tile
Max
(2009)
-118000 -25800 -5710 1700 2250 9940 43000


Gage height, feet

Most recent instantaneous value: 11.65 05-25-2024   13:00 EDT
Graph of  Gage height, feet

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

Most recent instantaneous value: 26700 05-25-2024   12:45 EDT
Graph of  Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

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Salinity, water, unfiltered, parts per thousand

Most recent instantaneous value: 16 05-25-2024   12:45 EDT
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Stream water level elevation above NAVD 1988, in feet

Most recent instantaneous value: 0.57 05-25-2024   13:00 EDT
Graph of  Stream water level elevation above NAVD 1988, in feet

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Direction of stream flow, magnetic azimuth, degrees

Most recent instantaneous value: 245 05-25-2024   13:00 EDT
Graph of  Direction of stream flow, magnetic azimuth, degrees

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Discharge, tidally filtered, cubic feet per second

Most recent instantaneous value: 15000 05-24-2024   02:00 EDT
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Water velocity reading from field sensor, feet per second, [Velocity Magnitude]

Most recent instantaneous value: 2.72 05-25-2024   13:00 EDT
Graph of  Water velocity reading from field sensor, feet per second, [Velocity Magnitude]

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Water velocity reading from field sensor, feet per second, [X Velocity]

Most recent instantaneous value: -2.72 05-25-2024   13:00 EDT
Graph of  Water velocity reading from field sensor, feet per second, [X Velocity]

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Mean water velocity for discharge computation, feet per second

Most recent instantaneous value: -1.99 05-25-2024   13:00 EDT
Graph of  Mean water velocity for discharge computation, feet per second

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