USGS 14211820 COLUMBIA SLOUGH AT PORTLAND, OR

PROVISIONAL DATA SUBJECT TO REVISION

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Station operated in cooperation with the City of Portland.

Available Parameters Available Period
  
1989-06-30  2026-07-29
2007-10-01  2026-07-29
2007-10-01  2026-07-29







 (7)
 

  -- or --

 


 

Summary of all available data for this site
Instantaneous-data availability statement


Discharge, cubic feet per second

Most recent instantaneous value: 584 07-29-2026   14:20 PDT
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Jul 29 based on 35 water years of record more
Min
(2003)
25th
percen-
tile
Mean Median 75th
percen-
tile
Max
(2023)
Most Recent
Instantaneous
Value Jul 29
-96.5 20 80 84 130 214 584


Gage height, feet

Most recent instantaneous value: 2.50 07-29-2026   14:20 PDT
Graph of  Gage height, feet

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Mean water velocity for discharge computation, feet per second

Most recent instantaneous value: 0.83 07-29-2026   14:20 PDT
Graph of  Mean water velocity for discharge computation, feet per second

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