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: 2014-05-17 Crest: 8.02 ft.Datum change: 1937-03-05Number of Floods: 21

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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
2014-05-178.0211900MinorF2



Codes and description

C1|Crest information during this period may be incomplete and therefore was not used in frequency calculations. Some of the floods are based on current flood stage and nearby gage information.
C2|Crest information during this period 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: 01:25 PM Jul 21, 2014