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  2025-09-18
2007-10-01  2025-12-29
2025-08-31  2025-09-18







 (7)
 
  -- or --

 

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

Discharge, cubic feet per second
Most recent instantaneous value: Eqp 09-18-2025   12:45 PDT
Graph of Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Dec 29 based on 30 water years of record more
Min
(2006)		 Most Recent
Instantaneous
Value Dec 29		 25th
percen-
tile		 Mean Median 75th
percen-
tile		 Max
(1997)
-317 -- unavailable -- 75 143 143 209 416

Gage height, feet
Most recent instantaneous value: 6.50 12-29-2025   10:20 PST
Graph of Gage height, feet

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Mean water velocity for discharge computation, feet per second
 
-- Data temporarily unavailable for the time period specified --