USGS 02231291 NASSAU RIVER NEAR TISONIA, 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.

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
  
2014-09-03  2016-09-29
2013-09-12  2025-07-11
2013-09-12  2025-07-11
2014-09-03  2016-09-08
2014-09-03  2016-09-30
2013-09-14  2025-07-10
2025-03-13  2025-07-11







 (7)
 

  -- or --

 


 

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

Temperature, water, degrees Celsius
 
-- Data temporarily unavailable for the time period specified --


Discharge, cubic feet per second

Most recent instantaneous value: -14700 07-11-2025   19:30 EDT
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Jul 11 based on 11 water years of record more
Most Recent
Instantaneous
Value Jul 11
Min
(2022)
25th
percen-
tile
Median Mean 75th
percen-
tile
Max
(2021)
-14700 -2670 -867 -50 46 624 3860


Gage height, feet

Most recent instantaneous value: 10.42 07-11-2025   19:30 EDT
Graph of  Gage height, feet

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
 
-- Data temporarily unavailable for the time period specified --

Dissolved oxygen, water, unfiltered, milligrams per liter
 
-- Data temporarily unavailable for the time period specified --


Discharge, tidally filtered, cubic feet per second

Most recent instantaneous value: 382 07-10-2025   08:00 EDT
Graph of  Discharge, tidally filtered, cubic feet per second

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Mean water velocity for discharge computation, feet per second

Most recent instantaneous value: -1.48 07-11-2025   19:30 EDT
Graph of  Mean water velocity for discharge computation, feet per second

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