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Water-Year Summary for Site 04294413

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00045 Precipitation(Sum)  
62614 Elevation, lake/res, NGVD29(Mean)  

Water year 2021: 2021-10-01 to 2022-09-30
 

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USGS Water-Year Summary 2021
04294413 LAKE CHAMPLAIN AT PORT HENRY, NY
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.
SURFACE-WATER RECORDS
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 OUTSIDE PERIOD OF RECORD - Maximum elevation, about 103.1 ft, during period May 6-9, 2011, from floodmark.
EXTREMES FOR PERIOD OF RECORD - Maximum elevation, 101.90 ft, Apr. 4, 5, 1998; minimum, 93.23 ft, Oct. 16, 2016.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - April 2015 to current year.
INSTRUMENTATION - 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 - Maximum daily precipitation, 5.36 inches, Oct. 31, 2019.
WATER-QUALITY RECORDS
PERIOD OF DAILY RECORD - WATER TEMPERATURE: October 1997 to September 1999, October 2017 to current year.
EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE: Maximum, 26.2 °C, Aug. 3, 2019; minimum, -1.2 °C, Feb. 25, 26, 2018.