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NWS / NWPSSite ID: PATC1active

NWS / NWPS PATC1

San Joaquin River at Patterson

San Joaquin River • Stanislaus • CA

Latest public reading30.67 ftObserved Jun 21, 2026 at 9:00 AM CDT
TrendNo clear trendForecast available
Data freshness StaleObservation 137 minutes old
Flood contextNo source flood categoryFetched Timestamp unavailable

Stage and discharge

Observed source readings

Stage and discharge

Hourly readings and linked forecast values

Observed Forecast

Stage and discharge chart includes 1 observed point and 60 forecast points.

Line chart: Observed, Forecast0510152025303506-21 14:0006-23 15:0006-24 03:00
Data series

Flood-stage context

Source-published thresholds where available

Action48 ftSource-backed threshold
Minor flood54.7 ftSource-backed threshold
Moderate flood57.3 ftSource-backed threshold
Major flood58.3 ftSource-backed threshold

Forecast

Linked NWS/NWPS values

HGIFE • stage30.86 ftValid Jun 21, 2026 at 12:00 PM CDT
HGIFE • stage30.86 ftValid Jun 21, 2026 at 1:00 PM CDT
HGIFE • stage30.87 ftValid Jun 21, 2026 at 2:00 PM CDT
HGIFE • stage30.87 ftValid Jun 21, 2026 at 3:00 PM CDT
HGIFE • stage30.87 ftValid Jun 21, 2026 at 4:00 PM CDT
HGIFE • stage30.87 ftValid Jun 21, 2026 at 5:00 PM CDT

Observations

Stage

30.67 ft

Observed Jun 21, 2026 at 9:00 AM 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.