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USGS 04294413 LAKE CHAMPLAIN AT PORT HENRY NY

PROVISIONAL DATA SUBJECT TO REVISION

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LOCATION.--Lat 44°03'09.9", long 73°27'12.6" referenced to North American Datum of 1983, Essex County, NY, Hydrologic Unit 04150408, on west shore at boat launch near mouth of Mill Brook and 0.5 mi north of railroad station, in Port Henry.
PERIOD OF RECORD.--October 1997 to September 1999, April 2015 to current year.
GAGE.--Water-stage recorder and digital weighing precipitation gage. Datum of gage is NGVD of 1929. To convert elevations to NAVD of 1988, subtract 0.60 ft.
REMARKS.--Area of lake surface about 490 mi². Total volume below 92.5 ft elevation, reported by Lake Champlain Studies Center, 902.2 bil ft³.
EXTREMES FOR PERIOD OF RECORD.--Maximum elevation, 101.90 ft, Apr. 4, 5, 1998; minimum, 93.23 ft, Oct. 16, 2016.
EXTREMES OUTSIDE PERIOD OF RECORD.--Maximum elevation, about 103.1 ft, during period May 6-9, 2011, from floodmark.
PERIOD OF RECORD (CLIM).--April 2015 to current year.
INSTRUMENTATION (CLIM).--Unshielded, 400 square centimeter collecting area, digital weighing precipitation gage, mounted on pedestal with top of collector 5 ft above ground.
EXTREMES FOR PERIOD OF RECORD (CLIM).--Maximum daily precipitation, 2.24 inches, May 29, 2016.
PERIOD OF DAILY RECORD1.--WATER TEMPERATURE: October 1997 to September 1999, October 2017 to current year.
EXTREMES FOR PERIOD OF DAILY RECORD1.--WATER TEMPERATURE: Maximum, 26.2 °C, Aug. 3, 2019; minimum, -1.2 °C, Feb. 25, 26, 2018.
1 Water-Quality Records

NAVD 1988 Datum Conversion Information

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Available Parameters Available Period
  
2017-10-26  2020-07-04
2020-03-06  2020-07-04
2020-03-06  2020-07-04
2015-04-16  2020-07-04
2020-03-06  2020-07-04
2020-03-06  2020-07-04
2015-04-11  2020-07-04
2020-03-06  2020-07-04







 (7)
 

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


Temperature, water, degrees Celsius

Most recent instantaneous value: 13.5 07-04-2020   22:45 EST
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Wind speed, miles per hour

Most recent instantaneous value: 1.5 07-04-2020   22:45 EST
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Wind direction, degrees clockwise from true north

Most recent instantaneous value: 268 07-04-2020   22:45 EST
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Precipitation, total, inches

Most recent instantaneous value: 0.00 07-04-2020   22:45 EST
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Wind gust speed, air, miles per hour

Most recent instantaneous value: 2.50 07-04-2020   22:45 EST
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Wind gust direction, air, degrees clockwise from true north

Most recent instantaneous value: 292 07-04-2020   22:45 EST
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Lake or reservoir water surface elevation above NGVD 1929, feet

Most recent instantaneous value: 95.09 07-04-2020   22:45 EST
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Lake or reservoir water surface elevation above NAVD 1988, feet

Most recent instantaneous value: 94.49 07-04-2020   22:45 EST
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