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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  2024-04-30
2007-10-01  2024-04-30
2007-12-13  2016-09-30
2008-07-11  2016-09-30
2010-10-01  2024-04-30
2008-07-11  2015-09-30
2007-10-01  2024-04-29
2024-01-01  2024-04-30







 (7)
 
  -- or --

 

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

Discharge, cubic feet per second
Most recent instantaneous value: 3790 04-30-2024   22:30 EDT
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Apr 30 based on 29 water years of record more
Min
(1999)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Most Recent
Instantaneous
Value Apr 30		 Max
(1996)
-3020 604 1390 1470 2600 3790 5000

Gage height, feet
Most recent instantaneous value: 0.84 04-30-2024   22:30 EDT
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Stream water level elevation above NAVD 1988, in feet
Most recent instantaneous value: -0.27 04-30-2024   22:30 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: 1310 04-29-2024   11:00 EDT
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Mean water velocity for discharge computation, feet per second
Most recent instantaneous value: 0.44 04-30-2024   22:30 EDT
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