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ALL DATA ARE EASTERN STANDARD TIME

USGS 01302250 EAST CREEK AT SANDS POINT NY

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION.--Lat 40°51'58.4", long 73°42'36.7" referenced to North American Datum of 1983, Nassau County, NY, Hydrologic Unit 02030201, at Beach Road bridge, in Sands Point.
PERIOD OF RECORD.--December 2007 to current year.
GAGE.--Water-stage recorder. Datum of gage is NGVD of 1929.
REMARKS.--ELEVATION WY 2014: Records good, except those for Nov. 9 to Mar. 8, July 11-31, Aug. 13-18, Sept. 30, which are fair and Aug. 1-12 which are poor.
EXTREMES FOR PERIOD OF RECORD.--Maximum elevation, 11.39 ft, Oct. 29, 2012; minimum elevation, 3.03 ft, Jan. 20, 2016.
EXTREMES OUTSIDE PERIOD OF RECORD.--Storm tide of Dec. 11, 1992, reached an elevation of 11.5 ft, from high-water mark at site 3.1 mi east.
PERIOD OF RECORD1.--December 2007 to current year. Sampling depth records for December 2007 to current year are unpublished and available in files of the Geological Survey.
PERIOD OF DAILY RECORD1.-- WATER TEMPERATURE: December 2007 to current year.
SALINITY: December 2007 to current year.
INSTRUMENTATION1.--Water-quality monitor provides 6-minute-interval readings collected from 0.5 ft above bottom. Salinity record computed from specific-conductance readings.
REMARKS1.--Satellite telemeter for water temperature, specific conductance, and sampling depth parameters at station discontinued Oct. 1, 2011 to Sept. 30, 2012.
TEMPERATRE WY 2016: Records are excellent.
SPECIFIC CONDUCTANCE WY 2016: Records are excellent except those for Dec. 7 to Feb. 6 and July 19 to Aug. 25 which are good.
EXTREMES FOR PERIOD OF RECORD1.--WATER TEMPERATURE: Maximum, 32.5 °C, Aug. 11, 2016; minimum, -1.7 °C, Jan. 23, and Mar. 4, 2014, Jan. 28, and Feb. 9, 2015, Feb 13 and 14, 2016.
SALINITY: Maximum, 33 psu, Jun. 18, 2010 and Feb. 15, 2016; minimum, 4 psu, Mar. 11, 2015.
1 Water-Quality Records

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 4.80 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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Gage PhotoStation image

 

This station managed by the NY Water Science Center Coram.

Available Parameters Available Period
All 7 Available Parameters for this site
  
00003 Sampling depth 2017-05-27  2017-09-24
00010 Temperature, water 2007-12-13  2017-09-24
00095 Specific cond at 25C 2007-12-13  2017-09-24
62619 Elevation, ocean/est 2007-12-13  2017-09-24
62619 Elevation, ocean/est, tidal prediction 2017-05-27  2017-09-30
90860 Salinity, at 25C 2007-12-13  2017-09-24
99067 Observed elev diff 2017-05-27  2017-09-24

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


Sampling depth, feet

Most recent instantaneous value: 1.47 09-24-2017   09:42 EST
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Temperature, water, degrees Celsius

Most recent instantaneous value: 20.6 09-24-2017   09:42 EST
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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

Most recent instantaneous value: 43000 09-24-2017   09:42 EST
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Estuary or ocean water surface elevation above NGVD 1929, feet

Most recent instantaneous value: 3.42 09-24-2017   09:42 EST
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Estuary or ocean water surface elevation above NGVD 1929, feet, tidal prediction

Most recent instantaneous value: -0.58 09-24-2017   09:48 EST
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Salinity, water, unfiltered, practical salinity units at 25 degrees Celsius

Most recent instantaneous value: 27.6 09-24-2017   09:42 EST
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Difference between observed and predicted water surface elevation, feet

Most recent instantaneous value: 4.20 09-24-2017   09:42 EST
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