North Branch Susquehanna River at Unadilla, Otsego County NY (UNDN6)
Gage Location: Otsego County, New YorkSite Location: Otsego County, New York
Latitude: 42.322Longitude: -75.317Elevation: 997.25 ft. MSLDrainage Area: 982 Sq. Mi.
Minor Stage: 11 ft. Moderate Stage: 13 ft.Major Stage: 14.5 ft.
First Flood: 1935-07-08Last Flood: 2011-09-08 Crest: 16.34 ft.Datum change: 1938-07-01Number of Floods: 56

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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 ft3155.411 ft or above 56100.0
12 ft to 13 ft610.712 ft or above 2544.6
13 ft to 14 ft1119.613 ft or above 1933.9
14 ft to 15 ft47.114 ft or above 814.3
15 ft to 16 ft00.015 ft or above 47.1
16 ft to 17 ft35.416 ft or above 47.1
17 ft to 18 ft11.817 ft or above 11.8
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 ft3157.411 ft or above 54100.0
12 ft to 13 ft611.112 ft or above 2342.6
13 ft to 14 ft1120.413 ft or above 1731.5
14 ft to 15 ft47.414 ft or above 611.1
15 ft to 16 ft00.015 ft or above 23.7
16 ft to 17 ft11.916 ft or above 23.7
17 ft to 18 ft11.917 ft or above 11.9