Chenango River near Chenango Forks, Broome County NY (CNON6)
Gage Location: Broome County, New York	Site Location: Broome County, New York
Latitude: 42.218	Longitude: -75.849	Elevation: 871.63 ft. MSL	Drainage Area: 1483 Sq. Mi.
Minor Stage: 10 ft.	Moderate Stage: 12.6 ft.	Major Stage: 20.3 ft.
First Flood: 1913-01-08	Last Flood: 2011-09-08 Crest: 14.93 ft.	Datum change: 1936-08-03	Number of Floods: 94

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Date of Flood Crest(ft) Streamflow(cfs) Category Code 1913-01-08 10.98 22900 Minor ** 1913-03-27 13.7 35500 Moderate ** 1914-03-28 14 37000 Moderate ** 1914-04-02 10.35 20400 Minor ** 1914-04-09 11.4 24600 Minor ** 1915-02-25 12.04 27200 Minor ** 1915-07-09 10.72 21900 Minor ** 1916-04-02 12.18 27900 Minor ** 1917-03-28 11.16 23600 Minor ** 1918-05-14 10.75 22000 Minor ** 1920-03-13 13.06 22000 Moderate ** 1920-03-27 11.33 24300 Minor ** 1922-03-08 10.47 21200 Minor ** 1922-06-12 10.52 21400 Minor ** 1923-03-24 10.85 22700 Minor ** 1923-04-06 11.47 25200 Minor ** 1924-01-12 10.48 21200 Minor ** 1924-04-07 12.27 28600 Minor ** 1924-09-30 12.45 29400 Minor ** 1925-02-12 13.05 31900 Moderate ** 1926-03-25 10.71 19000 Minor ** 1926-04-10 10.23 20200 Minor ** 1926-11-17 11.29 24500 Minor ** 1927-03-14 12.59 30100 Minor ** 1927-10-19 11.3 24500 Minor ** 1929-03-15 13.2 32800 Moderate ** 1929-04-21 11.91 27000 Minor ** 1932-10-06 10.13 19800 Minor ** 1934-03-05 10.42 20900 Minor ** 1934-04-01 10.23 20100 Minor ** 1935-01-09 13.5 34000 Moderate ** 1935-07-08 20.3 96000 Major ** 1936-03-12 12.93 31800 Moderate ** 1936-03-18 15.26 50100 Moderate ** 1937-04-07 10.07 21000 Minor none 1937-10-24 10.54 23400 Minor none 1939-02-21 11.14 25000 Minor none 1939-03-27 10.45 22300 Minor none 1940-04-09 13.03 37000 Moderate (E) (3) 1941-04-07 11.86 29000 Minor none 1942-03-17 10.09 21000 Minor (A) 1942-12-30 14 41000 Moderate (A) 1943-03-17 11.97 29000 Minor (A) 1944-03-17 10.94 24400 Minor (A) 1945-03-03 13.29 -9999 Moderate (A) 1945-03-22 10.46 22200 Minor (A) 1947-04-07 10.35 22500 Minor (A) 1948-03-22 12.22 32200 Minor (A) 1950-03-30 10.36 22500 Minor (A) 1950-04-05 11.84 30100 Minor (A) 1955-03-12 10.22 21400 Minor (A) 1956-03-08 10.64 23400 Minor (A) 1956-04-05 12.19 31400 Minor (A) 1958-04-07 10.44 22400 Minor (A) 1959-01-22 11.32 20000 Minor (A) (E) (1 1960-04-01 12 30400 Minor (A) 1960-04-05 11.02 25300 Minor (A) 1961-02-26 12.65 34000 Moderate (A) 1963-03-28 10.95 25000 Minor (A) 1964-03-06 13.32 37800 Moderate (A) 1965-02-09 11.51 -9999 Minor (A) 1971-02-16 10 20400 Minor (A) 1971-02-24 10.19 -9999 Minor (A) 1972-06-23 11.19 26200 Minor (A) 1975-02-25 10.53 22800 Minor (A) 1975-09-26 11.34 26900 Minor (A) 1976-01-27 14.33 -9999 Moderate (A) 1976-10-09 10 20400 Minor (A) 1977-03-14 11.93 30000 Minor (A) 1979-03-06 13.58 39400 Moderate (A) 1981-02-11 11.36 -9999 Minor (A) 1981-02-20 10.15 21100 Minor (A) 1981-10-28 10.27 21600 Minor (A) 1982-02-04 14.99 -9999 Moderate (A) 1982-03-13 10.46 -9999 Minor (A) 1983-12-14 12.44 32800 Minor (A) 1984-02-15 11.8 29300 Minor (A) 1984-04-06 10.14 21000 Minor (A) 1986-03-15 11.26 26500 Minor (A) 1990-10-24 10.76 24000 Minor (A) 1993-04-01 10.87 24900 Minor (A) 1993-04-11 12.45 33500 Minor (A) 1996-01-20 12.48 33700 Minor (A) 1996-12-02 10.8 24500 Minor (A) 1998-01-09 10.34 22200 Minor (A) 2000-02-28 11.1 26100 Minor (A) 2001-04-10 10.22 21700 Minor (A) 2005-04-03 14.34 45400 Moderate (A) 2006-06-28 13.74 41500 Moderate (A) 2006-11-17 10.89 25000 Minor (A) 2009-02-12 12.28 -9999 Minor (A) 2011-03-11 10.35 22300 Minor none 2011-04-28 10.96 25300 Minor none 2011-09-08 14.93 49500 Moderate 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