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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  2020-01-23
1988-10-01  2020-01-22
2007-10-01  2020-01-22
2009-01-22  2020-01-23
2009-01-22  2020-01-23
2009-01-22  2020-01-23
2017-01-22  2020-01-23
2009-01-22  2020-01-23
2009-01-22  2020-01-23
2007-10-01  2020-01-21
2009-01-22  2020-01-23
2019-09-25  2020-01-22
2017-01-22  2020-01-22
2017-01-22  2020-01-23
2017-01-22  2020-01-23







 (7)
 

  -- or --

 


 

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


Temperature, water, degrees Celsius

Most recent instantaneous value: 7.5 01-23-2020   00:00 PST
Graph of  Temperature, water, degrees Celsius

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Discharge, cubic feet per second

Most recent instantaneous value: 62100 01-22-2020   23:55 PST
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Jan 23 based on 47 water years of record more
Min
(1977)
25th
percen-
tile
Median Most Recent
Instantaneous
Value Jan 23
Mean 75th
percen-
tile
Max
(1999)
8490 30000 56500 62100 64800 86100 180000


Gage height, feet, Morrison Bridge

Most recent instantaneous value: 5.53 01-22-2020   23:35 PST
Graph of  Gage height, feet

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

Most recent instantaneous value: 74 01-23-2020   00:00 PST
Graph of  Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

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Dissolved oxygen, water, unfiltered, milligrams per liter

Most recent instantaneous value: 13.1 01-23-2020   00:00 PST
Graph of  Dissolved oxygen, water, unfiltered, milligrams per liter

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pH, water, unfiltered, field, standard units

Most recent instantaneous value: 7.2 01-23-2020   00:00 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: 22.02 01-23-2020   00:00 PST
Graph of  Dissolved organic matter fluorescence (fDOM), water, in situ, concentration estimated from reference material, micrograms per liter as quinine sulfate equivalents (QSE)

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Chlorophyll, total, water, fluorometric, 650-700 nanometers, in situ sensor, micrograms per liter

Most recent instantaneous value: 0.9 01-23-2020   00:00 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: 13.2 01-23-2020   00:00 PST
Graph of  Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)

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Discharge, tidally filtered, cubic feet per second

Most recent instantaneous value: 54800 01-21-2020   12:00 PST
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Depth of sensor below water surface, feet, [Depth accuracy is variable]

Most recent instantaneous value: 9.45 01-23-2020   00:00 PST
Graph of  Depth of sensor below water surface, feet, [Depth accuracy is variable]

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Mean water velocity for discharge computation, feet per second, Broadway Bridge, [Broadway Bridge]

Most recent instantaneous value: 1.65 01-22-2020   23:55 PST
Graph of  Mean water velocity for discharge computation, feet per second, [Broadway Bridge]

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Mean water velocity for discharge computation, feet per second, Morrison Bridge

Most recent instantaneous value: 1.54 01-22-2020   23:35 PST
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Phycocyanins (cyanobacteria), water, in situ, in vivo fluorescence, in vivo fluorescence units

Most recent instantaneous value: 0.63 01-23-2020   00:00 PST
Graph of  Phycocyanins (cyanobacteria), water, in situ, in vivo fluorescence, in vivo fluorescence units

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Nitrate, water, in situ, milligrams per liter as nitrogen

Most recent instantaneous value: 1.13 01-23-2020   00:00 PST
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