North Branch Susquehanna River near Waverly, Tioga County NY (WVYN6)
Gage Location: Bradford County, PennsylvaniaSite Location: Tioga County, New York
Latitude: 41.985Longitude: -76.501Elevation: 743.96 ft. MSLDrainage Area: 4773 Sq. Mi.
Minor Stage: 13 ft. Moderate Stage: 16 ft.Major Stage: 20 ft.
First Flood: 1936-03-18Last Flood: 2011-09-29 Crest: 12.27 ft.Datum change: 1937-02-01Number of Floods: 127

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Date of FloodCrest(ft)Streamflow(cfs)CategoryCode
1936-03-1821.4128000MajorC1 C3 G1
1937-10-2411.3653400MinorC6
1938-09-2311.5554900MinorC6
1939-02-2114.2572800Minornone
1940-04-0119106000Moderatenone
1940-04-0916.482600Moderatenone
1941-04-0614.7568500Minornone
1942-03-1012.753500MinorC6
1942-12-3119.7112000Moderatenone
1943-03-1814.9269900Minornone
1944-03-1813.4358600Minornone
1945-03-1813.5259200Minornone
1945-03-2213.6960400Minornone
1946-03-0914.3867000Minornone
1946-05-2816.6384700Moderatenone
1947-03-2612.857100MinorC6
1947-04-0615.6574200Minornone
1948-03-1714.1362900Minornone
1948-03-2219.84109000Moderatenone
1948-12-3112.3851300MinorC6
1950-03-2915.875400Minornone
1950-04-0514.5565800Minornone
1950-12-0513.6159300Minornone
1951-03-3112.8253900MinorC6
1952-03-1213.1155800Minornone
1952-12-1211.6346800MinorC6
1954-02-1811.1543900MinorC6
1955-03-0211.9350000MinorC6
1955-10-1615.4772200Minornone
1956-03-0816.8483700Moderatenone
1956-04-0815.7274800Minornone
1957-04-0711.8548100MinorC6
1958-04-0816.8183500Moderatenone
1959-01-2314.6566600Minornone
1959-11-2912.8153900MinorC6
1960-02-1212.8454000MinorC6
1960-04-0117.5689500Moderatenone
1960-04-0516.2679100Moderatenone
1961-02-2617.4388400Moderatenone
1961-04-2515.5273200Minornone
1962-04-0115.0669500Minornone
1963-03-2715.5273200Minornone
1964-03-0618.1894400Moderatenone
1964-03-1117.9292400Moderatenone
1966-02-1411.8448000MinorC6
1968-03-2413.357100Minornone
1968-11-1911.8748200MinorC6
1970-04-0313.4358000Minornone
1971-03-1611.6546900MinorC6
1972-03-0312.9654800MinorC6
1972-06-2321.24121000MajorF3
1972-11-0913.6459500Minornone
1973-12-2812.1349800MinorC6
1975-02-2516.2579000Moderatenone
1975-09-2720.16111000Moderatenone
1975-10-2012.6452800MinorC6
1976-02-1913.7360100Minornone
1976-02-2312.7653600MinorC6
1976-10-1014.6166300Minornone
1977-03-1415.1670300Minornone
1977-09-2514.4465100Minornone
1977-10-1815.1670300Minornone
1978-01-0913.0655400Minornone
1978-01-2713.4958400Minornone
1978-03-2812.5852500MinorC6
1979-01-0314.162700Minornone
1979-01-2612.6252900MinorC6
1979-03-0619.66107000Moderatenone
1980-03-2213.2456900Minornone
1981-02-2113.659200Minornone
1981-10-2912.451500MinorC6
1983-04-1614.7267300Minornone
1983-04-2513.8360800Minornone
1983-05-0212.9755200MinorC6
1983-12-1419.94110000Moderatenone
1984-02-1618.0393100Moderatenone
1984-04-0618.1494000Moderatenone
1986-03-1518.1293800Moderatenone
1986-11-2714.3264300Minornone
1988-05-2011.447100MinorC6
1989-05-1213.0252000Minornone
1990-02-1711.1340800MinorC6
1990-10-2416.272200Moderatenone
1993-04-0218.7489700Moderatenone
1993-04-1119.2893600Moderatenone
1994-03-2513.5355000Minornone
1994-04-0713.2153000Minornone
1996-01-2020.35102000ModerateF3
1996-12-0216.5475300Moderatenone
1998-01-0915.3567500Minornone
1999-01-2514.2260500Minornone
2000-02-2816.6576000Moderatenone
2000-04-0513.8958400Minornone
2000-05-2511.242800MinorC6
2001-04-1112.9755300MinorC6
2002-03-2711.4445900MinorC6
2003-03-2314.1661700Minornone
2003-10-3011.2543100MinorC6
2003-12-1211.3843800MinorC6
2004-03-0712.449600MinorC6
2004-09-1818.6389400Moderatenone
2005-01-1514.5263600Minornone
2005-03-3015.0866600Minornone
2005-04-0320.88105000Moderatenone
2005-11-3013.1156100Minornone
2006-01-1913.1256100Minornone
2006-06-2922.52128000Majornone
2006-11-1715.5972600Minornone
2007-03-1614.262900Minornone
2007-03-2712.2950300MinorC6
2007-04-2011.3744600MinorC6
2008-02-0713.5858700Minornone
2008-03-0612.6252400MinorC6
2008-03-0914.3563900Minornone
2008-03-2011.8147300MinorC6
2009-03-1012.7853400MinorC6
2010-01-2615.0969100Minornone
2010-10-0111.2643900minorC6
2011-03-0712.5952200MinorC6
2011-03-1116.1776800Moderatenone
2011-03-1911.6846500MinorC6
2011-04-0611.545400MinorC6
2011-04-2816.780800Moderatenone
2011-05-0411.0942900MinorC6
2011-08-2911.9147900MinorC6
2011-09-0826.67167000Majornone
2011-09-2912.2750200MinorC6



Codes and description

C1|Crest information during this period may be incomplete and therefore was not used in frequency calculations. Some of the floods are based on current flood stage and nearby gage information.
C2|Crest information during this period looks reliable despite potential problems. This data was used in frequency calculations.
C3|Crest height estimated by the USGS.
C4|Crest height is from the National Weather Service.
C5|Crest height affected by backwater.
C6|Crest occurred at a previous flood stage that is lower than the current flood stage. The crests below the new flood stage are not used in flood frequency calculations.
C7|Crest from USGS yearly peak and/or date is different than the crest we provide. In many cases MARFC uses crest based on backwater or ice effects.
C8|Crest month or day of occurrence has been estimated by The Middle Atlantic River Forecast Center usually based on nearby gage information.
C9|Crest date (day) in the month is unknown.
F1|Flow is an estimate.
F2|Flow affected by regulation or diversion and in some cases to an unknown degree.
F3|Flow effected by snow-melt, ice jam or debris jam break up.
F4|Flow affected by dam failure.
F5|Flow - All or part of the record affected by urbanization, mining, agricultural changes, channelization or other factors.
G1|Gage height at a different site and/or datum.
G2|Gage is not an official USGS gage with crests provided by the NWS. Crest information looks unreliable and incomplete and not used in flood frequency calculations.
G3|Gage datum changed during this year.
none,No code; Good Data

Updated: 07:31 AM Dec 19, 2014