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  2025-12-15
2025-08-17  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 15 based on 29 water years of record more
Min
(2007)		 Most Recent
Instantaneous
Value Dec 15		 25th
percen-
tile		 Median Mean 75th
percen-
tile		 Max
(2016)
-446 -- unavailable -- 73 125 148 248 799

Gage height, feet
Most recent instantaneous value: 7.84 12-15-2025   15:20 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 --