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Water-Year Summary for Site 01142500

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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
00060 Discharge(Mean)  

Water year 2021: 2020-10-01 to 2021-09-30
 

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USGS Water-Year Summary 2021
01142500 AYERS BROOK AT RANDOLPH, VT
LOCATION - Lat 43°56'04", long 72°39'30" referenced to North American Datum of 1927, Orange County, VT, Hydrologic Unit 01080105, on right bank, 135 ft upstream from bridge on State Highway 12, just north of village limits of Randolph, 0.4 mi upstream from Adams Brook, 0.7 mi upstream from mouth, and 0.9 mi northeast of Town Hall in Randolph.
DRAINAGE AREA - 30.5 mi².
REVISIONS HISTORY - WDR MA-NH-RI-VT-72-l: 1949(M), 1952(M), 1953(P), 1958(P), 1960(M), 1967(M). WDR NH-98-1: 1992(M), 1994(M), 1996(P). WDR-US-2011: 1998(M), 2007(M).
SURFACE-WATER RECORDS
PERIOD OF RECORD - Discharge records: July 1939 to September 1975, June 1976 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 630.50 ft (Vermont State Department of Highways datum). Prior to October 1, 1964, at site 140 ft downstream at datum 2.25 ft higher and October 1, 1964 to September 30, 1975, at site 140 ft downstream at datum 1.25 ft higher.
COOPERATION - Vermont Department of Environmental Conservation and USGS Cooperative Water Program.
REMARKS - WATER YEAR 2014-21: Records good except those for estimated discharges, which are poor.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum stage since at least 1830, about 18 ft, present datum, in November 1927.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 3,920 ft³/s, August 28, 2011, gage height, 15.04 ft, from rating curve extended above 1,500 ft³/s on basis of contracted-opening measurement at gage height 15.04 ft; minimum discharge, 0.60 ft³/s, July 27, 1965
WATER-QUALITY RECORDS
PERIOD OF RECORD - Water years 1975 to 1999 and 2003 to 2005.