Unadilla River at Rockdale, Chenango County NY (RCKN6)
Gage Location: Chenango County, New YorkSite Location: Chenango County, New York
Latitude: 42.378Longitude: -75.406Elevation: 992.25 ft. MSLDrainage Area: 520 Sq. Mi.
Minor Stage: 11 ft. Moderate Stage: 12 ft.Major Stage: 13 ft.
First Flood: 1932-10-07Last Flood: 2011-09-08 Crest: 14.22 ft.Datum change: 1937-01-29Number of Floods: 31

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Height Above Flood Stage for Entire Period of Record
Height Above FSTotal OccurencePercent of Crest OccurrenceCumulative Total Flood OccurrencePercent of Floods above Listed Value
11 ft to 12 ft2374.211 ft or above 31100.0
12 ft to 13 ft619.412 ft or above 825.8
13 ft to 14 ft13.213 ft or above 26.5
14 ft to 15 ft13.214 ft or above 13.2
Height Above Flood Stage After Datum Change
Height Above FSTotal OccurencePercent of Crest OccurrenceCumulative Total Flood OccurrencePercent of Floods above Listed Value
11 ft to 12 ft2273.311 ft or above 30100.0
12 ft to 13 ft620.012 ft or above 826.7
13 ft to 14 ft13.313 ft or above 26.7
14 ft to 15 ft13.314 ft or above 13.3