Columbia River at Bonneville Dam (outflow), OR

SKAMANIA COUNTY, WA45.6458°N, -121.9389°W Updated 37 min ago

FLOW RATE

71,800cfs

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

71,800cfs

Optimal band: 61,710–83,490 cfs

PERIOD HIGH

84,800cfs

PERIOD LOW

70,800cfs

RUNNABLE

91%

last 1 day in band

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45.6458, -121.9389

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DATA · USACE · NOAA · NWSUPDATED 2026-09-20 08:00 UTC

Site #nwdp:BON.Flow-Out.Ave.1Hour.1Hour.CBT-REV·USACE

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