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ALL DATA ARE EASTERN STANDARD TIME

USGS 01311875 ROCKAWAY INLET NEAR FLOYD BENNETT FIELD NY

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION.--Lat 40°34'25", long 73°53'08" referenced to North American Datum of 1927, Kings County, NY, Hydrologic Unit 02030202, at Metropolitan Transportation Authority Marine Parkway Gil Hodges Memorial Bridge, near Floyd Bennett Field.
PERIOD OF RECORD.--October 2002 to current year.
GAGE.--Water-stage recorder. Datum of gage is NGVD of 1929.
REMARKS.--Records excellent, except those for Nov. 22-29, Dec. 10-11, 14-15, 19, 21-28, Jan. 10-13, 16, 18-28, Jan. 30 to Aug. 5, and Sept. 18-30, which are good. Satellite and telephone elevation telemeters at station.
EXTREMES FOR PERIOD OF RECORD.--Maximum elevation, 7.58 ft, Aug. 28, 2011; minimum elevation, -5.23 ft, Mar. 9, 2005.
EXTREMES OUTSIDE PERIOD OF RECORD.--Storm tide of Dec. 11, 1992, reached an elevation of 8.9 ft, from high-water mark at site 0.5 mi south-southeast.
EXTREMES FOR CURRENT YEAR.--Maximum elevation, 6.35 ft, June 4; minimum elevation, -3.86 ft, Feb. 25.
Derived from NY Annual Water-Data Report 2012

Peak Flow and Stage Information


Elevation observations and tidal predictions for this station are reported to NGVD 1929. To convert data to NAVD 1988 subtract 1.10 ft. To convert data to MHHW datum subtract 3.74 ft. To convert data to MLLW datum add 1.85 ft. These corrections vary from site to site.

NGVD 1929 is the National Geodetic Vertical Datum of 1929, formerly called "mean sea level" or "Sea Level Datum of 1929." NGVD 1929 was a general adjustment of the first-order level nets fit to mean sea level at 26 tide gages in the US and Canada.
NAVD 1988 is the North American Vertical Datum of 1988, which is a geodetic datum derived from a general adjustment of the first-order level nets fit to 1 tide gage in eastern Canada.
MHHW is mean higher high water, which is a site-specific datum determined by averaging the highest of the 2 high tides that occur each day over a 19-year tidal epoch. For tide gages with less than 19 years of record, this datum is estimated by correlation with long-term tide gages.
MLLW is mean lower low water, which is a site-specific datum determined by averaging the lowest of the 2 low tides that occur each day over a 19-year tidal epoch. For tide gages with less than 19 years of record, this datum is estimated by correlation with long-term tide gages.


Additional sensor graph(s) available (click on graph or sensor name)

Water elevation, astronomical-tide elevation, and residual water level

Water elevation, astronomical-tide elevation, and residual water level Graph updated every 15 minutes

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Gage Photo

 

This station managed by the NY Water Science Center, Coram.

Available Parameters Available Period
All 12 Available Parameters for this site
  
00003 Sampling depth, monitor 2016-08-12  2016-12-10
00010 Temperature, water, monitor 2014-11-21  2016-12-10
00055 Stream velocity [ADVM range-averaged magnitude] 2016-08-12  2016-12-10
00060 Discharge 2014-11-06  2016-12-10
00095 Specific cond at 25C, monitor 2014-11-21  2016-12-10
62619 Elevation, ocean/est 2007-10-01  2016-12-10
62619 Elevation, ocean/est, tidal prediction 2016-08-12  2016-12-11
63680 Turbidity, Form Neph, monitor 2014-11-21  2016-12-10
72137 Discharge,tide fltrd 2014-11-08  2016-12-08
72147 Depth, sensor [ADVM] 2016-08-12  2016-12-10
90860 Salinity, at 25C, monitor 2014-11-21  2016-12-10
99409 Susp sediment,wu,est 2014-11-21  2016-12-10

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


Sampling depth, feet, monitor

Most recent instantaneous value: 18.1   12-10-2016   16:48 EST
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Temperature, water, degrees Celsius, monitor

Most recent instantaneous value: 9.2   12-10-2016   16:48 EST
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Stream velocity, feet per second, [ADVM range-averaged magnitude]

Most recent instantaneous value: 0.41   12-10-2016   16:48 EST
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Discharge, cubic feet per second

Most recent instantaneous value: 46,600   12-10-2016   16:48 EST
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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius, monitor

Most recent instantaneous value: 48,400   12-10-2016   16:48 EST
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Estuary or ocean water surface elevation above NGVD 1929, feet

Most recent instantaneous value: 3.11   12-10-2016   16:48 EST
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Estuary or ocean water surface elevation above NGVD 1929, feet, tidal prediction

Most recent instantaneous value: -2.66   12-11-2016   23:54 EST
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Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU), monitor

Most recent instantaneous value: 2.6   12-10-2016   16:48 EST
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Discharge, tidally filtered, cubic feet per second

Most recent instantaneous value: 7,060   12-08-2016   08:00 EST
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Depth of sensor below water surface, feet, [ADVM]

Most recent instantaneous value: 18.4   12-10-2016   16:48 EST
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Salinity, water, unfiltered, practical salinity units at 25 degrees Celsius, monitor

Most recent instantaneous value: 31.6   12-10-2016   16:48 EST
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Suspended sediment concentration, water, unfiltered, estimated by regression equation, milligrams per liter

Most recent instantaneous value: 6   12-10-2016   16:48 EST
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