USGS 01302600 WEST POND AT GLEN COVE NY

PROVISIONAL DATA SUBJECT TO REVISION

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> Site Information
LOCATION.--Lat 40°53'18.8", long 73°38'16.8" referenced to North American Datum of 1983, Nassau County, NY, Hydrologic Unit 02030201, on southern shore at Nassau County Welwyn Preserve, at Glen Cove.
PERIOD OF RECORD.--May 2009 to current year.
GAGE.--Water-stage recorder. Datum of gage is NGVD of 1929.
REMARKS.--Satellite telemeter for elevation at station.  Gaps in record caused by equipment malfunctions are filled with estimated data from nearby gage 01302845 Frost Creek at Sheep Lane Bridge at Lattingtown NY and 01304057 Flax Pond at Old Field NY.
EXTREMES FOR PERIOD OF RECORD.--Maximum elevation, 10.99 ft, Oct. 29, 2012; minimum elevation, -0.26 ft, Dec. 8, 12, 2009.
EXTREMES OUTSIDE PERIOD OF RECORD.--Storm tide of Dec. 11, 1992, reached an elevation of 11.5 ft, from high-water mark at site 1.9 mi south-southwest.
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> Additional Site Information

Peak Flow and Stage Information

NAVD 1988 Datum Conversion Information


Elevation observations and tidal predictions for this station are reported to NGVD 1929. To convert data to NAVD 1988 subtract 1.09 ft. To convert data to MHHW datum subtract 4.82 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.


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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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This station managed by the NY Water Science Center Coram.

Available Parameters Available Period
  
2009-05-29  2024-10-09
2009-05-29  2024-10-09







 (7)
 

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


Estuary or ocean water surface elevation above NGVD 1929, feet

Most recent instantaneous value: 3.63 10-09-2024   04:42 EST
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Estuary or ocean water surface elevation above NAVD 1988, feet, NAVD88

Most recent instantaneous value: 2.54 10-09-2024   04:42 EST
Graph of  Estuary or ocean water surface elevation above NAVD 1988, feet

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