North Branch Susquehanna River at Conklin, Broome County NY (CKLN6)
Gage Location: Broome County, New York	Site Location: Broome County, New York
Latitude: 42.603	Longitude: -76.16	Elevation: 841.04 ft. MSL	Drainage Area: 2232 Sq. Mi.
Minor Stage: 12 ft.	Moderate Stage: 14 ft.	Major Stage: 20 ft.
First Flood: 1913-03-28	Last Flood: 2011-09-08 Crest: 23.94 ft.	Datum change: 1913-10-04	Number of Floods: 249

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Date of Flood Crest(ft) Streamflow(cfs) Category Code 1913-03-28 18.3 52000 Moderate *** 1914-03-30 18 47000 Moderate none 1914-04-10 13.7 29300 Moderate none 1914-04-21 13.2 27200 Moderate none 1915-01-19 12.4 24000 Minor none 1915-02-16 12.64 25000 Minor none 1915-02-25 12.68 25100 Minor none 1915-07-08 16.15 40500 Moderate none 1915-08-05 11.55 20900 Minor (O) 1916-04-02 16.49 42100 Moderate none 1916-04-14 11.05 19200 Minor (O) 1917-03-28 13.54 28700 Moderate none 1917-10-30 13.73 29400 Moderate none 1918-02-21 13.93 22000 Moderate (E) (1) 1920-03-13 16.79 25000 Moderate (E) (1) 1920-03-29 15.05 35200 Moderate none 1920-10-02 11.57 21000 Minor (O) 1920-12-03 12.9 26000 Minor none 1921-03-04 11.12 19500 Minor (O) 1921-03-10 13.17 27100 Moderate none 1921-11-29 16.03 39900 Moderate none 1922-02-24 14.04 30300 Moderate none 1922-03-08 13.37 27400 Moderate none 1923-03-05 11.15 19200 Minor (O) 1923-03-24 13.23 27300 Moderate none 1923-04-06 12.1 22900 Minor none 1924-01-12 11.63 21200 Minor (O) 1924-04-07 14 30600 Moderate none 1924-09-30 16.86 44000 Moderate none 1925-02-12 17.04 44900 Moderate none 1925-02-25 11.28 20000 Minor (O) 1926-03-26 12.11 23000 Minor none 1926-04-10 14.04 30600 Moderate none 1926-11-17 14.36 31700 Moderate none 1927-03-15 14.81 33600 Moderate none 1927-03-22 11.36 20300 Minor (O) 1927-05-25 12.45 24100 Minor none 1927-10-19 16.88 43500 Moderate none 1927-11-29 11.16 19600 Minor (O) 1927-12-09 11.63 21200 Minor (O) 1927-12-15 11.11 19400 Minor (O) 1929-03-17 17.6 47000 Moderate none 1929-04-13 11.48 20700 Minor (O) 1929-04-22 16.37 40800 Moderate none 1931-03-30 12.16 22800 Minor none 1931-04-12 11.3 19800 Minor (O) 1932-04-01 13.75 29000 Moderate none 1932-04-12 11.13 19200 Minor (O) 1932-10-08 13.1 25000 Moderate none 1932-11-11 11.2 18400 Minor (O) 1932-11-21 11.34 18900 Minor (O) 1933-04-03 11.15 18200 Minor (O) 1933-08-24 12.05 21400 Minor none 1934-03-05 13.2 25400 Moderate none 1935-01-11 15.4 34400 Moderate none 1935-07-09 16.95 41900 Moderate none 1935-10-31 12.64 23400 Minor none 1935-11-14 16.28 38600 Moderate none 1936-03-13 16.94 41900 Moderate none 1936-03-18 20.14 61600 Major none 1937-01-22 11.85 20700 Minor (O) 1937-01-26 12.88 24300 Minor none 1937-04-07 12 21200 Minor none 1938-01-26 12.24 20600 Minor none 1938-09-23 15.89 34100 Moderate none 1938-12-06 12.09 20200 Minor none 1938-12-11 12.52 21500 Minor none 1939-02-21 15.64 33100 Moderate none 1939-03-28 12.3 20800 Minor none 1940-04-01 19.13 51800 Moderate none 1940-04-06 15.76 33500 Moderate none 1940-04-10 16.11 34900 Moderate none 1940-04-21 13.05 23200 Moderate none 1940-12-31 12.44 21500 Minor none 1941-04-06 13.4 24900 Moderate none 1942-03-09 13.38 24800 Moderate none 1942-03-19 14.45 28100 Moderate none 1942-05-23 13.72 25500 Moderate none 1942-12-31 18.76 48600 Moderate none 1943-02-25 14.18 27600 Moderate none 1943-03-19 15.81 34300 Moderate none 1943-05-22 11.36 18100 Minor (O) 1944-03-18 14.8 30000 Moderate none 1944-03-27 11.79 19400 Minor (O) 1945-03-04 13.76 24900 Moderate (E) (1) 1945-03-18 14.17 27500 Moderate none 1946-03-09 15.49 32900 Moderate none 1946-05-21 13.61 25400 Moderate none 1946-05-28 15.45 32700 Moderate none 1947-03-16 12.07 20400 Minor none 1947-03-26 13.35 24500 Moderate none 1947-04-06 15.04 31000 Moderate none 1948-03-17 15.82 34400 Moderate none 1948-03-22 20.83 60500 Major none 1948-12-31 14.39 28400 Moderate none 1949-01-07 13.65 25600 Moderate none 1950-03-29 15.87 34600 Moderate none 1950-04-05 14.84 30200 Moderate none 1950-11-26 13.77 26000 Moderate none 1950-12-04 16.2 36100 Moderate none 1951-03-31 13.16 23900 Moderate none 1952-01-28 11.78 19600 Minor (O) 1952-03-12 13.4 24700 Moderate none 1952-12-13 12.44 21600 Minor none 1953-01-25 13.61 25400 Moderate none 1953-02-23 11.59 19100 Minor (O) 1953-03-28 11.37 18400 Minor (O) 1954-02-18 14.55 29000 Moderate none 1955-03-02 12.05 20400 Minor none 1955-03-13 12.72 22500 Minor none 1955-10-16 11.4 19400 Minor (O) 1956-03-08 15.68 37600 Moderate (5) 1956-04-07 16.04 39200 Moderate none 1956-04-18 12.35 23600 Minor none 1957-01-23 11.74 21400 Minor (O) 1957-04-06 11.67 21100 Minor (O) 1958-04-07 15.83 38300 Moderate none 1958-04-17 11.74 21400 Minor (O) 1958-04-23 11.56 20700 Minor (O) 1959-01-22 14.49 32300 Moderate none 1959-04-04 12.25 23200 Minor none 1959-11-29 13.71 29000 Moderate none 1960-01-04 11.42 20200 Minor (O) 1960-02-12 12.38 23700 Minor none 1960-04-01 15.3 35800 Moderate none 1960-04-06 17.02 44000 Moderate none 1961-02-26 16.02 39100 Moderate none 1961-04-25 14.34 31600 Moderate none 1962-04-01 15.17 35300 Moderate none 1962-04-08 12.5 24200 Minor none 1963-03-28 15.73 37800 Moderate none 1964-01-26 11.46 20400 Minor (O) 1964-03-06 16.57 41800 Moderate none 1964-03-10 18.26 50200 Moderate none 1965-02-09 11.97 -9999 Minor (O) 1968-03-23 11.63 21200 Minor (O) 1968-11-19 12.19 24000 Minor (3) 1969-03-26 11.91 23000 Minor (O) 1969-04-06 11.91 23000 Minor (O) 1969-11-09 11 19100 Minor (O) 1970-04-03 12.54 25300 Minor none 1970-04-10 12.09 23700 Minor none 1971-03-01 11.17 20500 Minor (O) 1971-03-16 11.51 21700 Minor (O) 1972-03-03 12.74 26000 Minor none 1972-03-23 11.07 20100 Minor (O) 1972-04-18 11.13 20400 Minor (O) 1972-04-21 11.36 21200 Minor (O) 1972-05-10 11.64 22100 Minor (O) 1972-06-23 12.89 26500 Minor none 1972-11-09 14.4 32100 Moderate none 1972-12-08 11.5 21600 Minor (O) 1973-01-02 11.01 19900 Minor (O) 1973-04-05 11.81 22700 Minor (O) 1973-12-21 11.12 20300 Minor (O) 1973-12-28 12.43 24900 Minor none 1975-02-25 14.05 30700 Moderate none 1975-09-26 12.77 25600 Minor none 1975-10-19 14.31 31700 Moderate none 1976-01-28 11 19000 Minor (O) 1976-02-19 13.94 30300 Moderate none 1976-02-22 12.48 24400 Minor none 1976-10-09 13.3 28200 Moderate none 1976-10-22 12.76 26100 Minor none 1977-03-05 11.13 20400 Minor (O) 1977-03-16 16.9 43400 Moderate none 1977-04-01 13.2 27600 Moderate none 1977-04-25 11.75 22500 Minor (O) 1977-09-22 12.48 25100 Minor none 1977-09-26 14.36 31900 Moderate none 1977-10-19 16.28 40300 Moderate none 1978-01-09 12.34 24600 Minor none 1978-01-27 12.72 25900 Minor none 1978-03-28 12.23 24200 Minor none 1978-04-03 11.27 20800 Minor (O) 1979-01-02 14.21 31300 Moderate none 1979-01-25 15.7 25000 Moderate (E) (1) 1979-02-26 11.04 -9999 Minor (O) 1979-03-07 17.25 45200 Moderate none 1980-03-22 12.59 25400 Minor (E) (1) 1981-02-11 16.7 24000 Moderate none 1981-02-21 12.39 24700 Minor (1) 1982-02-05 13.83 -9999 Moderate none 1983-02-04 11.04 19000 Minor (O) 1983-04-16 13.84 29800 Moderate none 1983-04-25 13.63 29100 Moderate none 1983-05-02 13.09 27200 Moderate none 1983-12-14 17.17 44700 Moderate none 1984-02-15 15.48 36700 Moderate none 1984-04-06 13.46 28500 Moderate none 1984-05-30 11.6 21900 Minor (O) 1985-09-28 11.04 20000 Minor (O) 1986-03-15 17.1 44400 Moderate none 1986-11-27 12.5 25100 Minor none 1987-04-06 12.04 23500 Minor none 1988-05-20 11.49 21500 Minor (O) 1989-04-01 11.52 21600 Minor (O) 1989-05-07 12.48 25000 Minor none 1989-05-11 11.89 22900 Minor (O) 1990-02-17 11.12 20300 Minor (O) 1990-10-24 12.18 24000 Minor none 1993-04-01 17.91 48500 Moderate none 1993-04-11 16.21 40000 Moderate none 1993-04-18 11.02 19900 Minor (O) 1993-04-26 11.11 20200 Minor (O) 1994-03-25 11.74 22400 Minor (O) 1994-04-07 13.42 28300 Moderate none 1994-04-16 11.64 22100 Minor (O) 1996-01-19 17.55 46600 Moderate (1) (9) 1996-01-27 11.95 23200 Minor (O) 1996-05-12 12.27 24300 Minor none 1996-11-09 12.38 24700 Minor none 1996-12-02 14.29 31600 Moderate none 1998-01-10 15.42 36400 Moderate none 1998-03-10 12.11 23700 Minor none 1999-01-24 14.89 34100 Moderate none 2000-02-28 15.78 38000 Moderate none 2000-04-05 13.34 28000 Moderate none 2000-05-15 11.04 20000 Minor (O) 2000-05-24 11.38 21200 Minor (O) 2000-12-18 11.05 20000 Minor (O) 2001-04-11 13.58 28900 Moderate none 2002-03-27 12.09 23700 Minor none 2002-06-07 11.12 20300 Minor (O) 2003-03-23 14.73 33500 Moderate none 2003-10-29 11.04 20000 Minor (O) 2004-03-06 12.76 26000 Minor none 2004-09-18 19.01 54700 Moderate none 2005-01-14 13.99 30400 Moderate none 2005-03-29 15.09 35000 Moderate none 2005-04-03 18.08 49400 Moderate none 2006-01-18 12.37 24700 Minor none 2006-06-28 25.02 78600 Major none 2006-11-17 11.55 21400 Minor (O) 2007-03-16 13.19 26800 Moderate none 2007-03-28 12.64 25100 Minor none 2007-04-19 11.57 21600 Minor (O) 2008-02-07 12.54 24700 Minor none 2008-03-05 13.12 26700 Moderate none 2008-03-09 14.26 30700 Moderate none 2008-03-20 11.02 19900 Minor (O) 2009-03-10 12.04 23100 Minor none 2009-03-11 12.33 24100 Minor none 2010-01-25 13.39 27600 Moderate none 2011-03-07 12.34 24100 Minor none 2011-03-11 15.06 33600 Moderate none 2011-04-28 14.98 33300 Moderate none 2011-08-28 16.34 38400 Moderate none 2011-09-08 23.94 71500 Major none

MARFC Codes
Code Description
(!!!) Datum changed during this year.
(1) Backwater Effect.
(2) 15.77 ft also occurred on 11/25/1950 but only counted as one flood.
(3) Estimated from currrent USGS rating table.
(4) Estimated height from the USGS.
(5) Gage height at a different site and/or datum
(6) Discharge affected by Regulation or Diversion
(7) Due to changes, prior floods were based on present flood stage. Therefore, flood data could possibly be incomplete.
(8) Gage is a staff gage and not the offical USGS gage. Therefore, some floods may be missing from our study.
(9) Discharge effected by snow-melt, ice jam or debris jam break up
(A) Discharge affected to unknown degree by regulation or diversion.
(B) Month or day of occurrence is unknown or not exact.
(C) All or part of the record affected by urbanization, mining, agricultural changes, channelization, or other factors.
(D) Crest height adjusted to current datum.
(E) Estimated discharge.
(F) Only annual maximum peak available for this year.
(O) This flood occurred at a previous flood stage that is lower than the current flood stage. This is only a historical flood.
** Crest information looks reasonable despite potential problems. This data was used in our study.
*** Crest information looks unreliable and incomplete and was not used in our flood frequency study.
**** Gauge was discontinued in 2004. 2004 and later was not used in our study.
none No code

Updated: 08:58 AM Jun 28, 2012