MEDIAN FLOW RATE · 30 DAY
732cfs 17.8% vs avg
Optimal band: 622–842 cfs
PERIOD HIGH
1,050cfs
PERIOD LOW
732cfs
RUNNABLE
68%
last 30 day in band
Gauge Height
3.76ft
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Your History · Marias River near Chester MT
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Station Location
48.3060, -111.0805Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-09-01 00:00 UTC
Site #06101500·USGS
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