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* IMPORTANT: Next Generation Station Page

USGS 02236125 ST. JOHNS RIVER AT ASTOR, 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.

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
  
2007-12-13  2016-09-30
1995-10-01  2020-07-10
2007-10-01  2020-07-10
2007-12-13  2016-09-30
2008-07-11  2016-09-30
2010-10-01  2020-07-10
2008-07-11  2015-09-30
2007-10-01  2020-07-09







 (7)
 

  -- or --

 


 

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


Discharge, cubic feet per second

Most recent instantaneous value: 6990 07-10-2020   20:30 EDT
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Jul 10 based on 25 water years of record more
Min
(2000)
25th
percen-
tile
Median Mean 75th
percen-
tile
Most Recent
Instantaneous
Value Jul 10
Max
(2018)
-389 2090 3080 3170 3810 6990 8500


Gage height, feet

Most recent instantaneous value: 1.34 07-10-2020   20:30 EDT
Graph of  Gage height, feet

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Stream water level elevation above NAVD 1988, in feet

Most recent instantaneous value: 0.23 07-10-2020   20:30 EDT
Graph of  Stream water level elevation above NAVD 1988, in feet

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Discharge, tidally filtered, cubic feet per second

Most recent instantaneous value: 3480 07-09-2020   09:00 EDT
Graph of  Discharge, tidally filtered, cubic feet per second

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