MEDIAN FLOW RATE · 1 DAY
239cfs 98.4% vs avg
Optimal band: 343–465 cfs
PERIOD HIGH
665cfs
PERIOD LOW
24.6cfs
RUNNABLE
28%
last 1 day in band
Gauge Height
0.87ft
Weather Map
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Your History · COLUMBIA SLOUGH AT PORTLAND, OR
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Station Location
45.6390, -122.7632Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-10-17 14:20 UTC
Site #14211820·USGS
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