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  2025-07-04
2007-10-01  2025-07-04
2025-03-06  2025-07-04







 (7)
 
  -- or --

 

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

Discharge, cubic feet per second
Most recent instantaneous value: 560 07-04-2025   09:20 PDT
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Daily discharge, cubic feet per second -- statistics for Jul 4 based on 32 water years of record more
Min
(2008)		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Most Recent
Instantaneous
Value Jul 4		 Max
(2012)
-93.1 44 93 120 160 560 585

Gage height, feet
Most recent instantaneous value: 2.28 07-04-2025   09:20 PDT
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Mean water velocity for discharge computation, feet per second
Most recent instantaneous value: 0.82 07-04-2025   09:20 PDT
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