Otselic River at Cincinnatus, Cortland County NY (CINN6)
Gage Location: Cortland County, New YorkSite Location: Cortland County, New York
Latitude: 42.035Longitude: -75.803Elevation: 1031.67 ft. MSLDrainage Area: 147 Sq. Mi.
Minor Stage: 9 ft. Moderate Stage: 11.2 ft.Major Stage: 12.5 ft.
First Flood: 1935-07-08Last Flood: 2011-09-08 Crest: 9.63 ft.Datum change: 1969-10-01Number of Floods: 48

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Date of FloodCrest(ft)Streamflow(cfs)CategoryCode
1935-07-0812.59200MajorC1 C4 F1
1939-02-209.344400MinorC1
1940-03-319.374510MinorC1
1940-04-089.865700MinorC1
1941-04-069.444980MinorC1
1941-12-249.023740MinorC1
1942-03-099.163750MinorC1
1942-03-179.514610MinorC1
1942-12-3010.678390MinorC1
1943-03-179.775540MinorC1
1944-03-179.664950MinorC1
1945-03-179.674990MinorC1
1945-03-229.484570MinorC1
1945-10-029.785250MinorC1
1946-03-099.454080MinorC1
1947-03-259.183750MinorC1
1947-04-069.594400MinorC1
1947-06-039.083600MinorC1
1948-03-179.244330MinorC1
1948-03-2010.276670MinorC1
1948-03-229.815520MinorC1
1950-03-289.043970MinorC1
1950-04-0410.687830MinorC1
1950-09-019.364560MinorC1
1950-12-049.264360MinorC1
1951-03-319.915750MinorC1
1952-07-109.054100MinorC1
1952-12-119.013620MinorC1
1955-03-1110.193700MinorC1
1955-10-309.374310MinorC1
1956-04-059.364300MinorC1
1959-01-229.655630MinorC1
1961-02-269.555920MinorC1
1964-03-0510.236670MinorC1
1972-06-239.395530Minornone
1975-09-269.045050Minornone
1976-10-099.75960Minornone
1977-03-1310.056730Minornone
1979-03-069.886720Minornone
1980-03-229.035380Minornone
1982-02-049.42-9999Minornone
1983-12-149.456400Minornone
1986-03-159.226010Minornone
1993-04-119.947130Minornone
1996-01-1910.898000MinorF1 F3
2005-04-0310.557700Minornone
2006-06-289.596480Minornone
2011-09-089.637460Minornone



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