North Branch Susquehanna River at Vestal, Broome County NY (VSTN6)
Gage Location: Broome County, New York	Site Location: Broome County, New York
Latitude: 42.091	Longitude: -76.056	Elevation: 799.19 ft. MSL	Drainage Area: 3941 Sq. Mi.
Minor Stage: 18 ft.	Moderate Stage: 21 ft.	Major Stage: 27 ft.
First Flood: 1935-07-08	Last Flood: 2011-09-08 Crest: 35.26 ft.	Datum change: 1937-03-03	Number of Floods: 89

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Height Above Flood Stage for Entire Period of Record Height Above FS Total Occurence Percent of Crest Occurrence Cumulative Total Flood Occurrence Percent of Floods above Listed Value 18 ft to 19 ft 21 23.6 18 ft or above 89 100.0 19 ft to 20 ft 15 16.9 19 ft or above 68 76.4 20 ft to 21 ft 11 12.4 20 ft or above 53 59.6 21 ft to 22 ft 11 12.4 21 ft or above 42 47.2 22 ft to 23 ft 8 9.0 22 ft or above 31 34.8 23 ft to 24 ft 6 6.7 23 ft or above 23 25.8 24 ft to 25 ft 1 1.1 24 ft or above 17 19.1 25 ft to 26 ft 5 5.6 25 ft or above 16 18.0 26 ft to 27 ft 3 3.4 26 ft or above 11 12.4 27 ft to 28 ft 4 4.5 27 ft or above 8 9.0 28 ft to 29 ft 0 0.0 28 ft or above 4 4.5 29 ft to 30 ft 1 1.1 29 ft or above 4 4.5 30 ft to 31 ft 1 1.1 30 ft or above 3 3.4 31 ft to 32 ft 0 0.0 31 ft or above 2 2.2 32 ft to 33 ft 0 0.0 32 ft or above 2 2.2 33 ft to 34 ft 1 1.1 33 ft or above 2 2.2 34 ft to 35 ft 0 0.0 34 ft or above 1 1.1 35 ft to 36 ft 1 1.1 35 ft or above 1 1.1

Height Above Flood Stage After Datum Change Height Above FS Total Occurence Percent of Crest Occurrence Cumulative Total Flood Occurrence Percent of Floods above Listed Value 18 ft to 19 ft 21 24.1 18 ft or above 87 100.0 19 ft to 20 ft 15 17.2 19 ft or above 66 75.9 20 ft to 21 ft 11 12.6 20 ft or above 51 58.6 21 ft to 22 ft 11 12.6 21 ft or above 40 46.0 22 ft to 23 ft 8 9.2 22 ft or above 29 33.3 23 ft to 24 ft 6 6.9 23 ft or above 21 24.1 24 ft to 25 ft 1 1.1 24 ft or above 15 17.2 25 ft to 26 ft 4 4.6 25 ft or above 14 16.1 26 ft to 27 ft 3 3.4 26 ft or above 10 11.5 27 ft to 28 ft 4 4.6 27 ft or above 7 8.0 28 ft to 29 ft 0 0.0 28 ft or above 3 3.4 29 ft to 30 ft 1 1.1 29 ft or above 3 3.4 30 ft to 31 ft 0 0.0 30 ft or above 2 2.3 31 ft to 32 ft 0 0.0 31 ft or above 2 2.3 32 ft to 33 ft 0 0.0 32 ft or above 2 2.3 33 ft to 34 ft 1 1.1 33 ft or above 2 2.3 34 ft to 35 ft 0 0.0 34 ft or above 1 1.1 35 ft to 36 ft 1 1.1 35 ft or above 1 1.1

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: 08:09 AM Feb 08, 2013