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 looks unreliable and incomplete and not used in frequency calculations. Some of the floods are based on current flood stage and nearby gage information.
C2|Crest information 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: 08:00 PM May 28, 2014