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NWS / NWPSSite ID: RGLN4active

NWS / NWPS RGLN4

Delaware River at Riegelsville

Delaware River • Hunterdon • NJ

Latest public reading3.63 ftObserved Jun 3, 2026 at 6:30 PM CDT
TrendFallingForecast available
Data freshness StaleObservation 3090 minutes old
Flood contextNo source flood categoryFetched Timestamp unavailable

Stage and discharge

Observed source readings

Stage and discharge

Daily rollups and linked forecast values

Observed Forecast

Stage and discharge chart includes 6 observed points and 2 forecast points.

Line chart: Observed, Forecast01234562026-05-132026-05-202026-05-282026-06-062026-06-06
Data series

Flood-stage context

Source-published thresholds where available

Action15 ftSource-backed threshold
Minor flood22 ftSource-backed threshold
Moderate flood26 ftSource-backed threshold
Major flood30 ftSource-backed threshold

Forecast

Linked NWS/NWPS values

HGIFF • stage3.3 ftValid Jun 6, 2026 at 1:00 AM CDT
HGIFF • stage3.3 ftValid Jun 6, 2026 at 7:00 AM CDT

Observations

stage

3.63 ft

Observed Jun 2, 2026 at 7:00 PM CDT

stage

4.75 ft

Observed May 27, 2026 at 7:00 PM CDT

stage

4.01 ft

Observed May 22, 2026 at 7:00 PM CDT

stage

4.44 ft

Observed May 19, 2026 at 7:00 PM CDT

stage

5.85 ft

Observed May 14, 2026 at 7:00 PM CDT

stage

5.59 ft

Observed May 12, 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.