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Unadilla River in New York

River62.0 mi

Around here

Around Unadilla River

10 mi

Data Source: Recreation.gov · Public land: USGS PAD-US

About this river

Unadilla River is a 62.0 mile river. Streamflow is measured at the USGS gauge Unadilla River at Rockdale NY (site 01502500). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1930 to 2026

Unadilla River typically runs highest in April, at a median 1,545 cfs, and lowest in September, at 137 cfs. The highest flow on record for any single day is 19,700 cfs, in 2011.

Show the numbers
Typical flow by month at Unadilla River at Rockdale NY, in cfs
MonthTypical (cfs)Usual range (cfs)
January620403 to 1,180
February600375 to 1,040
March1,370779 to 2,210
April1,5451,050 to 2,325
May730461 to 1,180
June330213 to 652
July207127 to 349
August14491 to 285
September13788 to 265
October198104 to 500
November566308 to 1,065
December773480 to 1,300

Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 88 years of record. Statistics published by the US Geological Survey for Unadilla River at Rockdale NY (site 01502500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

Boat access nearby

One mapped launch sits in the mapped area of Unadilla River. Ramp data comes from the USGS national boat-ramp inventory.

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