Columbia River at Wanapum Dam (outflow), WA

KITTITAS COUNTY, WA46.8747°N, -119.9714°W Updated 14 hr ago

FLOW RATE

57,653cfs

Flow Rate Historical Avg

MEDIAN FLOW RATE · 7 DAY

57,653cfs

Optimal band: 46,782–63,294 cfs

PERIOD HIGH

60,067cfs

PERIOD LOW

38,233cfs

RUNNABLE

88%

last 7 day in band

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46.8747, -119.9714

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DATA · USACE · NOAA · NWSUPDATED 2026-09-21 00:00 UTC

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

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