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  2023-06-10
1996-10-09  2023-06-10
2007-10-01  2023-06-10
2015-10-29  2023-06-10
2015-10-29  2023-06-10
2010-10-01  2023-06-10
2017-10-01  2023-06-10
2007-10-01  2023-06-09
2017-10-01  2023-06-10
2017-10-01  2023-06-10
2023-02-10  2023-06-10







 (7)
 
  -- or --

 

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

Temperature, water, degrees Celsius
Most recent instantaneous value: 27.3 06-10-2023   16:00 EDT
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Discharge, cubic feet per second
Most recent instantaneous value: -148000 06-10-2023   16:00 EDT
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Daily discharge, cubic feet per second -- statistics for Jun 10 based on 28 water years of record more
Most Recent
Instantaneous
Value Jun 10		 Min
(2002)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(1990)
-148000 -8270 180 6010 8830 18500 40700

Gage height, feet
Most recent instantaneous value: 12.28 06-10-2023   16:00 EDT
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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
Most recent instantaneous value: 24700 06-10-2023   16:00 EDT
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Salinity, water, unfiltered, parts per thousand
Most recent instantaneous value: 15 06-10-2023   16:00 EDT
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Stream water level elevation above NAVD 1988, in feet
Most recent instantaneous value: 1.20 06-10-2023   16:00 EDT
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Direction of stream flow, magnetic azimuth, degrees
Most recent instantaneous value: 242 06-10-2023   16:00 EDT
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Discharge, tidally filtered, cubic feet per second
Most recent instantaneous value: 7310 06-09-2023   05:00 EDT
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Water velocity reading from field sensor, feet per second, [Velocity Magnitude]
Most recent instantaneous value: 3.34 06-10-2023   16:00 EDT
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Water velocity reading from field sensor, feet per second, [X Velocity]
Most recent instantaneous value: -3.34 06-10-2023   16:00 EDT
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Mean water velocity for discharge computation, feet per second
Most recent instantaneous value: -2.45 06-10-2023   16:00 EDT
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