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USGSSite ID: 02231000active

USGS 02231000

ST. MARYS RIVER NEAR MACCLENNY, FL

ST. MARYS RIVER • Baker County • FL

Latest public reading36.9 cfsObserved May 15, 2026 at 8:45 AM CDT
TrendRisingNo forecast linked
Data freshness StaleObservation 30945 minutes old
Flood contextContext unavailableFetched Timestamp unavailable

Stage and discharge

Observed source readings

Stage and discharge

Daily rollups and linked forecast values

Observed

Stage and discharge chart includes 7 observed points.

Line chart: Observed0102030402026-05-072026-05-092026-05-112026-05-15
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

Forecast unavailable

Forecasts are not available for this gauge in RiverStat.us launch sources.

Observations

flow

36.9 cfs

Observed May 14, 2026 at 7:00 PM CDT

flow

35.7 cfs

Observed May 12, 2026 at 7:00 PM CDT

flow

21.6 cfs

Observed May 10, 2026 at 7:00 PM CDT

discharge

20.1 cfs

Observed May 9, 2026 at 7:00 PM CDT

discharge

20.1 cfs

Observed May 8, 2026 at 7:00 PM CDT

discharge

15.7 cfs

Observed May 7, 2026 at 7:00 PM CDT

discharge

15.3 cfs

Observed May 6, 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.