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NWS / NWPSSite ID: ffdn3active

NWS / NWPS ffdn3

Pemigewasset River at Franklin Falls Dam

PEMIGEWASSET RIVER • Merrimack • NH

Latest public reading313.89 ftObserved Jun 19, 2026 at 10:30 AM CDT
TrendRisingForecast available
Data freshness StaleObservation 3121 minutes old
Flood contextContext unavailableFetched Timestamp unavailable

Stage and discharge

Observed source readings

Stage and discharge

Daily rollups and linked forecast values

Observed Forecast

Stage and discharge chart includes 7 observed points and 3 forecast points.

Line chart: Observed, Forecast0501001502002503003502026-05-282026-06-062026-06-192026-06-22
Data series

Flood-stage context

Source-published thresholds where available

Flood-stage context unavailable

Flood category levels are not published or not linked for this gauge.

Forecast

Linked NWS/NWPS values

HPIFF • stage315.1 ftValid Jun 21, 2026 at 7:00 PM CDT
HPIFF • stage315.2 ftValid Jun 22, 2026 at 1:00 AM CDT
HPIFF • stage315.4 ftValid Jun 22, 2026 at 7:00 AM CDT

Observations

stage

313.89 ft

Observed Jun 18, 2026 at 7:00 PM CDT

stage

312.47 ft

Observed Jun 15, 2026 at 7:00 PM CDT

stage

308.2 ft

Observed Jun 13, 2026 at 7:00 PM CDT

stage

307.2 ft

Observed Jun 5, 2026 at 7:00 PM CDT

stage

312.5 ft

Observed Jun 1, 2026 at 7:00 PM CDT

stage

322.17 ft

Observed May 30, 2026 at 7:00 PM CDT

stage

308.19 ft

Observed May 27, 2026 at 7:00 PM CDT

Alerts

Alerts unavailable

Alerts are shown only when the API returns a source-backed match.

Official public sources

Readings and thresholds stay tied to USGS, NOAA/NWS, or source-backed records.

Source freshness

Observed and fetched timestamps are shown separately when the API returns them.

Transparent methodology

Unavailable forecasts, alerts, and thresholds are shown as unavailable states.