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 · 30 DAY

308cfs 54.9% vs avg

Optimal band: 57–77 cfs

PERIOD HIGH

569cfs

PERIOD LOW

46cfs

RUNNABLE

61%

last 30 day 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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