USGS Water-Year Summary 2020
01080000 LAKE WINNIPESAUKEE AT WEIRS BEACH, NH
LOCATION - Lat 43°36'27", long 71°27'34" referenced to North American Datum of 1927, Belknap County, NH, Hydrologic Unit 01070002, 600 ft east of Weirs Beach Post Office, 1,600 ft north of US Highway 3 bridge across Paugus Bay at Weirs Beach, 4.7 mi southeast of Meredith, and 5.3 mi north of Laconia Post Office.
DRAINAGE AREA - 363 mi². at outlet at Lakeport.
- WDR NH-VT-78-1: 1938-77 (datum correction). WDR NH-VT-99-1: 1998. WDR NH-VT-02-1: 1988-2001 (datum
PERIOD OF RECORD - Gage heights: September 1933 to June 2005 (discontinued). Prior to November 1937, month end contents only,
published in WSP 1301. Prior to October 1970, published as "at The Weirs."
GAGE - Water-stage recorder. Datum of gage is 500.00 ft above National Geodetic Vertical Datum of 1929. Prior to November 1937, nonrecording gage at lake outlet at Lakeport at datum 0.55 ft higher. November 24, 1937 to November 7, 1965, water-stage recorder at site 500 ft southeast at datum 0.08 ft lower. November 7, 1965 to September 1987, at water-stage recorder at present site at datum 0.08 ft lower.
EXTREMES FOR PERIOD OF RECORD - Maximum daily gage height, 5.94 ft (datum then in use), June 4, 1984; minimum daily gage height, 0.63 ft (datum then in use), December 11, 1941.
PERIOD OF RECORD - WATER TEMPERATURE: June 2016 to September 2016.
SPECIFIC CONDUCTANCE: June 2016 to September 2016.
pH: June 2016 to September 2016.
DISSOLVED OXYGEN: June 2016 to September 2016.
INSTRUMENTATION - In-situ monitor deployed in buoy moored 900 ft southeast of gage house and 3 ft below water surface.