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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
All 8 Available Parameters for this site
  
00010 Temperature, water 2007-12-13  2016-10-26
00060 Discharge 1995-10-01  2017-11-23
00065 Gage height 2007-10-01  2017-11-23
00095 Specific cond at 25C 2007-12-13  2016-10-26
00300 Dissolved oxygen 2008-07-11  2016-10-26
63160 Stream level, NAVD 2010-10-01  2017-11-23
63680 Turbidity, Form Neph 2008-07-11  2015-10-21
72137 Discharge,tide fltrd 2007-10-01  2017-11-22

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


Discharge, cubic feet per second

Most recent instantaneous value: 9540 11-23-2017   18:30 EST
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Daily discharge, cubic feet per second -- statistics for Nov 23 based on 23 years of record more
Min
(2016)
25th
percen-
tile
Median Mean 75th
percen-
tile
Most Recent
Instantaneous
Value Nov 23
Max
(1995)
38.4 2180 3710 4550 7520 9540 11400


Gage height, feet

Most recent instantaneous value: 2.83 11-23-2017   18:30 EST
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Stream water level elevation above NAVD 1988, in feet

Most recent instantaneous value: 1.72 11-23-2017   18:30 EST
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Discharge, tidally filtered, cubic feet per second

Most recent instantaneous value: 10300 11-22-2017   07:00 EST
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