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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Year
Before Datum Change
Number of Floods
19351
19361
19370
Year
After Datum Change
Number of Floods
19381
19391
19402
19410
19422
19431
19441
19450
19462
19471
19483
19490
19501
19510
19520
19530
19540
19551
19563
19570
19581
19592
19602
19611
19621
19631
19641
19650
19660
19670
19680
19690
19700
19710
19720
19730
19740
19750
19760
19774
19780
19791
19801
19810
19820
19832
19840
19850
19861
19871
19880
19890
19900
19910
19920
19932
19940
19950
19962
19970
19981
19991
20001
20011
20020
20031
20040
20051
20061
20070
20081
20090
20102
20112
20120
20130