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* IMPORTANT: Next Generation Station Page

USGS 14211720 WILLAMETTE RIVER AT PORTLAND, OR

PROVISIONAL DATA SUBJECT TO REVISION

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Station operated in cooperation with the U.S. Army Corps of Engineers and funded by the U.S. Geological Survey National Streamflow Information Program\ (NSIP).
NOTE: River forecasts and additional data can be obtained at the 
National Weather Service's Northwest River Forecast Center web page.
Boating safety tips
Available Parameters Available Period
  
2009-01-22  2020-02-27
1988-10-01  2020-02-27
2007-10-01  2020-02-27
2009-01-22  2020-02-27
2009-01-22  2020-02-27
2009-01-22  2020-02-27
2017-02-27  2020-02-27
2009-01-22  2020-02-27
2009-01-22  2020-02-27
2007-10-01  2020-02-25
2009-01-22  2020-02-27
2019-10-30  2020-02-27
2017-02-27  2020-02-27
2017-02-27  2020-02-27
2017-02-27  2020-02-27







 (7)
 

  -- or --

 


 

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


Temperature, water, degrees Celsius

Most recent instantaneous value: 7.6 02-27-2020   03:00 PST
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Discharge, cubic feet per second

Most recent instantaneous value: 22400 02-27-2020   02:55 PST
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Daily discharge, cubic feet per second -- statistics for Feb 27 based on 47 water years of record more
Min
(2005)
Most Recent
Instantaneous
Value Feb 27
25th
percen-
tile
Median Mean 75th
percen-
tile
Max
(1986)
12000 22400 26100 43000 50800 66000 153000


Gage height, feet, Morrison Bridge

Most recent instantaneous value: 3.38 02-27-2020   02:35 PST
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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

Most recent instantaneous value: 89 02-27-2020   03:00 PST
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Dissolved oxygen, water, unfiltered, milligrams per liter

Most recent instantaneous value: 12.4 02-27-2020   03:00 PST
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pH, water, unfiltered, field, standard units

Most recent instantaneous value: 7.4 02-27-2020   03:00 PST
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Dissolved organic matter fluorescence (fDOM), water, in situ, concentration estimated from reference material, micrograms per liter as quinine sulfate equivalents (QSE)

Most recent instantaneous value: 13.77 02-27-2020   03:00 PST
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Chlorophyll, total, water, fluorometric, 650-700 nanometers, in situ sensor, micrograms per liter

Most recent instantaneous value: 0.9 02-27-2020   03:00 PST
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Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)

Most recent instantaneous value: 4.4 02-27-2020   03:00 PST
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Discharge, tidally filtered, cubic feet per second

Most recent instantaneous value: 20500 02-25-2020   15:00 PST
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Depth of sensor below water surface, feet, [Depth accuracy is variable]

Most recent instantaneous value: 7.81 02-27-2020   03:00 PST
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Mean water velocity for discharge computation, feet per second, Broadway Bridge, [Broadway Bridge]

Most recent instantaneous value: 0.62 02-27-2020   02:55 PST
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Mean water velocity for discharge computation, feet per second, Morrison Bridge

Most recent instantaneous value: 0.52 02-27-2020   02:35 PST
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Phycocyanins (cyanobacteria), water, in situ, in vivo fluorescence, in vivo fluorescence units

Most recent instantaneous value: 0.47 02-27-2020   03:00 PST
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Nitrate, water, in situ, milligrams per liter as nitrogen

Most recent instantaneous value: 0.99 02-27-2020   03:00 PST
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