Columbia River at John Day Dam (outflow), OR

KLICKITAT COUNTY, WA45.7148°N, -120.6937°W Updated 14 hr ago

FLOW RATE

66,267cfs

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

66,267cfs

Optimal band: 61,788–83,596 cfs

PERIOD HIGH

132,713cfs

PERIOD LOW

66,113cfs

RUNNABLE

61%

last 1 year in band

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45.7148, -120.6937

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DATA · USACE · NOAA · NWSUPDATED 2026-09-23 00:00 UTC

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

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