USGS 02231291 NASSAU RIVER NEAR TISONIA, FL

PROVISIONAL DATA SUBJECT TO REVISION

Click to hidestation-specific text

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  2025-07-18
2013-09-12  2025-07-18
2014-09-03  2016-09-08
2014-09-03  2016-09-30
2013-09-14  2025-07-17
2025-03-20  2025-07-18







 (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: 15700 07-18-2025   20:30 EDT
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Jul 18 based on 11 water years of record more
Min
(2020)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2022)		 Most Recent
Instantaneous
Value Jul 18
-1200 -296 249 337 1220 1720 15700

Gage height, feet
Most recent instantaneous value: 11.28 07-18-2025   20:30 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: 703 07-17-2025   09:00 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: 1.49 07-18-2025   20:30 EDT
Graph of Mean water velocity for discharge computation, feet per second

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