MEDIAN FLOW RATE · 1 YEAR
22cfs 88.2% vs avg
Optimal band: 26–36 cfs
PERIOD HIGH
521cfs
PERIOD LOW
17cfs
RUNNABLE
44%
last 1 year in band
Precipitation History
Your History · ST. MARYS RIVER NEAR MACCLENNY, FL
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Station Location
30.3588, -82.0815Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-07 00:00 UTC
Site #02231000·USGS
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