MERRIMACK RIVER AT FRANKLIN JUNCTION, NH

FRANKLIN, NH43.4229°N, -71.6529°W Updated 28 min ago

FLOW RATE

602cfs

GAUGE HT

3.81ft

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

602cfs 42.9% vs avg

Optimal band: 517–699 cfs

PERIOD HIGH

631cfs

PERIOD LOW

591cfs

RUNNABLE

100%

last 1 day in band

Gauge Height

3.81ft

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43.4229, -71.6529

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DATA · USGS · NOAA · NWSUPDATED 2026-09-01 14:30 UTC

Site #01081500·USGS

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