Chenango River at Greene, Chenango County NY (GNEN6)
Gage Location: Chenango County, New YorkSite Location: Chenango County, New York
Latitude: 42.324Longitude: -75.772Elevation: 892.58 ft. MSLDrainage Area: 593 Sq. Mi.
Minor Stage: 13 ft. Moderate Stage: 17 ft.Major Stage: 22 ft.
First Flood: 1935-07-08Last Flood: 2011-09-08 Crest: 21.09 ft.Datum change: 1937-02-20Number of Floods: 44

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Date of FloodCrest(ft)Streamflow(cfs)CategoryCode
1935-07-0822-9999MajorC1 C4
1939-02-2113.329650Minornone
1940-04-0115.7611500Minornone
1940-04-0514.2411600Minornone
1940-04-0914.8512700Minornone
1942-12-3118.3318900Moderatenone
1943-03-1715.1813000Minornone
1944-03-1714.1911000MinorC5
1948-03-1713.319210Minornone
1948-03-2215.8113200Minornone
1950-03-2913.5510100Minornone
1950-04-0514.6611800Minornone
1956-03-0813.6410300Minornone
1956-04-0615.1813300Minornone
1958-04-0713.219860Minornone
1959-01-2214.5111800MinorC5
1960-04-0114.9812900Minornone
1960-04-0514.3811800Minornone
1961-02-2615.9214700Minornone
1962-04-0113.410200Minornone
1963-03-2714.2211600Minornone
1964-03-0616.9416800Minornone
1972-06-2314.512000Minornone
1973-12-2714.9512800Minornone
1975-02-2513.310000Minornone
1977-03-1415.4913900Minornone
1978-01-2714.6412300Minornone
1979-03-0617.4117900Moderatenone
1983-12-1415.7814500Minornone
1986-03-1515.0213000Minornone
1993-04-1115.6214200Minornone
1996-01-2015.8914700MinorF3
1996-12-0214.2411600Minornone
1999-01-2514.3111700MinorF1
2000-02-2814.4912000Minornone
2000-04-0413.3510100Minornone
2001-04-1013.6610600Minornone
2003-03-2213.159780Minornone
2005-04-0318.6720800Moderatenone
2006-06-2821.1627100Moderatenone
2006-11-1715.4613800Minornone
2007-03-1613.31-9999Minornone
2011-03-1213.911000Minornone
2011-09-0821.0926900Moderatenone



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: 07:20 AM Nov 12, 2013