North Branch Susquehanna River near Waverly, Tioga County NY (WVYN6)
Gage Location: Bradford County, Pennsylvania	Site Location: Tioga County, New York
Latitude: 41.985	Longitude: -76.501	Elevation: 743.96 ft. MSL	Drainage Area: 4773 Sq. Mi.
Minor Stage: 11 ft.	Moderate Stage: 16 ft.	Major Stage: 21.4 ft.
First Flood: 1936-03-18	Last Flood: 2011-09-29 Crest: 12.27 ft.	Datum change: 1937-02-01	Number of Floods: 127

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MINOR FLOODS Date of Flood Crest(ft) 1937-10-24 11.36 1938-09-23 11.55 1939-02-21 14.25 1941-04-06 14.75 1942-03-10 12.7 1943-03-18 14.92 1944-03-18 13.43 1945-03-18 13.52 1945-03-22 13.69 1946-03-09 14.38 1947-03-26 12.8 1947-04-06 15.65 1948-03-17 14.13 1948-12-31 12.38 1950-03-29 15.8 1950-04-05 14.55 1950-12-05 13.61 1951-03-31 12.82 1952-03-12 13.11 1952-12-12 11.63 1954-02-18 11.15 1955-03-02 11.93 1955-10-16 15.47 1956-04-08 15.72 1957-04-07 11.85 1959-01-23 14.65 1959-11-29 12.81 1960-02-12 12.84 1961-04-25 15.52 1962-04-01 15.06 1963-03-27 15.52 1966-02-14 11.84 1968-03-24 13.3 1968-11-19 11.87 1970-04-03 13.43 1971-03-16 11.65 1972-03-03 12.96 1972-11-09 13.64 1973-12-28 12.13 1975-10-20 12.64 1976-02-19 13.73 1976-02-23 12.76 1976-10-10 14.61 1977-03-14 15.16 1977-09-25 14.44 1977-10-18 15.16 1978-01-09 13.06 1978-01-27 13.49 1978-03-28 12.58 1979-01-03 14.1 1979-01-26 12.62 1980-03-22 13.24 1981-02-21 13.6 1981-10-29 12.4 1983-04-16 14.72 1983-04-25 13.83 1983-05-02 12.97 1986-11-27 14.32 1988-05-20 11.4 1989-05-12 13.02 1990-02-17 11.13 1994-03-25 13.53 1994-04-07 13.21 1998-01-09 15.35 1999-01-25 14.22 2000-04-05 13.89 2000-05-25 11.2 2001-04-11 12.97 2002-03-27 11.44 2003-03-23 14.16 2003-10-30 11.25 2003-12-12 11.38 2004-03-07 12.4 2005-01-15 14.52 2005-03-30 15.08 2005-11-30 13.11 2006-01-19 13.12 2006-11-17 15.59 2007-03-16 14.2 2007-03-27 12.29 2007-04-20 11.37 2008-02-07 13.58 2008-03-06 12.62 2008-03-09 14.35 2008-03-20 11.81 2009-03-10 12.78 2010-01-26 15.09 2010-10-01 11.26 2011-03-07 12.59 2011-03-19 11.68 2011-04-06 11.5 2011-05-04 11.09 2011-08-29 11.91 2011-09-29 12.27

MODERATE FLOODS Date of Flood Crest(ft) 1940-04-01 19 1940-04-09 16.4 1942-12-31 19.7 1946-05-28 16.63 1948-03-22 19.84 1956-03-08 16.84 1958-04-08 16.81 1960-04-01 17.56 1960-04-05 16.26 1961-02-26 17.43 1964-03-06 18.18 1964-03-11 17.92 1975-02-25 16.25 1975-09-27 20.16 1979-03-06 19.66 1983-12-14 19.94 1984-02-16 18.03 1984-04-06 18.14 1986-03-15 18.12 1990-10-24 16.2 1993-04-02 18.74 1993-04-11 19.28 1996-01-20 20.35 1996-12-02 16.54 2000-02-28 16.65 2004-09-18 18.63 2005-04-03 20.88 2011-03-11 16.17 2011-04-28 16.7

MAJOR FLOODS Date of Flood Crest(ft) 2006-06-29 22.52 2011-09-08 26.67

MISSING Date of Flood Crest(ft)

Categorical Floods by Month Month Minor After Datum Minor Total Moderate After Datum Moderate Total Major After Datum Major Total Missing After Datum Missing Total January 10 10 1 1 0 0 0 0 February 9 9 4 4 0 0 0 0 March 32 32 7 7 0 1 0 0 April 15 15 10 10 0 0 0 0 May 5 5 1 1 0 0 0 0 June 0 0 0 0 2 2 0 0 July 0 0 0 0 0 0 0 0 August 1 1 0 0 0 0 0 0 September 3 3 2 2 1 1 0 0 October 8 8 1 1 0 0 0 0 November 6 6 0 0 0 0 0 0 December 5 5 3 3 0 0 0 0

Categorical Floods by Season Season Minor Moderate Major Missing Fall 17 3 1 0 Winter 24 8 0 0 Spring 52 18 1 0 Summer 1 0 2 0