Cohocton River near Campbell, Steuben County NY (CMPN6)
Gage Location: Steuben County, New YorkSite Location: Steuben County, New York
Latitude: 42.253Longitude: -77.217Elevation: 1016.34 ft. MSLDrainage Area: 470 Sq. Mi.
Minor Stage: 8 ft. Moderate Stage: 10 ft.Major Stage: 11 ft.
First Flood: 1927-12-01Last Flood: 2004-09-09 Crest: 8.09 ft.Datum change: 1937-03-05Number of Floods: 20

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Date of FloodCrest(ft)Streamflow(cfs)CategoryCode
1927-12-019.519700MinorC1
1935-07-0811.641100MajorC1 F2
1936-03-128.816200MinorC1 F2
1939-02-208.1510600MinorC5 F2
1940-04-018.1512000MinorF2
1942-03-178.0911700MinorF2
1947-06-038.111700MinorF2
1950-03-298.3813000MinorF2
1956-03-078.7914900MinorF2
1957-01-238.14-9999MinorF2
1961-04-258.0311200MinorF2
1963-03-189.35-9999MinorF2
1964-03-058.4513200MinorF2
1972-06-2110.8627400ModerateF2
1972-06-2311.1632000MajorF2
1975-09-2610.3322700ModerateF2
1976-02-168.2111600MinorF2
1981-02-188.03-9999MinorF2
1996-01-199.5518300MinorF2
2004-09-098.0912200MinorF2



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