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Peconic River in New York

Stream3.1 mi
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Around here

Around Peconic River

1 mi

Data Source: Recreation.gov · Source: USGS GNIS · Source: National Park Service. No claim to original U.S. Government works. · Public land: USGS PAD-US · Forest roads: USDA Forest Service MVUM · BLM routes and areas: Bureau of Land Management (simplified for web display)

About this river

Peconic River is a 3.1 mile stream. Streamflow is measured at the USGS gauge Peconic River at Riverhead NY (site 01304500). The National Hydrography Dataset places it at stream order 4. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1942 to 2026

Peconic River typically runs highest in April, at a median 46 cfs, and lowest in September, at 21 cfs. The highest flow on record for any single day is 198 cfs, in 2010.

Show the numbers
Typical flow by month at Peconic River at Riverhead NY, in cfs
MonthTypical (cfs)Usual range (cfs)
January3426 to 47
February3729 to 49
March4433 to 59
April4634 to 63
May4231 to 56
June3527 to 49
July2619 to 36
August2418 to 33
September2117 to 29
October2217 to 32
November2620 to 34
December3124 to 43

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 84 years of record. Statistics published by the US Geological Survey for Peconic River at Riverhead NY (site 01304500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

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