UPPER AMMONOOSUC RIVER NEAR GROVETON, NH

NEW HAMPSHIRE44.6251°N, -71.4690°W Updated 18 hr ago

FLOW RATE

308cfs

GAUGE HT

2.49ft

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

308cfs 17.0% vs avg

Optimal band: 207–279 cfs

PERIOD HIGH

3,221cfs

PERIOD LOW

43cfs

RUNNABLE

10%

last 1 year in band

Gauge Height

2.49ft

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44.6251, -71.4690

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DATA · USGS · NOAA · NWSUPDATED 2026-10-16 00:00 UTC

Site #01130000·USGS

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