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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  2019-12-11
1988-10-01  2019-12-11
2007-10-01  2019-12-11
2009-01-22  2019-12-11
2009-01-22  2019-12-11
2009-01-22  2019-12-11
2016-12-11  2019-12-11
2009-01-22  2019-12-11
2009-01-22  2019-12-11
2007-10-01  2019-12-10
2009-01-22  2019-12-11
2019-08-13  2019-12-11
2016-12-12  2019-12-11
2016-12-11  2019-12-11
2016-12-11  2019-12-11







 (7)
 

  -- or --

 


 

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


Temperature, water, degrees Celsius

Most recent instantaneous value: 6.5 12-11-2019   20:30 PST
Graph of  Temperature, water, degrees Celsius

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Discharge, cubic feet per second

Most recent instantaneous value: 16200 12-11-2019   20:55 PST
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Dec 12 based on 47 water years of record more
Min
(1977)
Most Recent
Instantaneous
Value Dec 12
25th
percen-
tile
Mean Median 75th
percen-
tile
Max
(1997)
8780 16200 27800 63400 64300 91700 179000


Gage height, feet, Morrison Bridge

Most recent instantaneous value: 2.92 12-11-2019   09:35 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: 103 12-11-2019   20:30 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: 12.0 12-11-2019   20:30 PST
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pH, water, unfiltered, field, standard units

Most recent instantaneous value: 7.3 12-11-2019   20:30 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: 15.99 12-11-2019   20:30 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: 0.7 12-11-2019   20:30 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: 2.6 12-11-2019   20:30 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: 8290 12-10-2019   09:00 PST
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Depth of sensor below water surface, feet, [Depth accuracy is variable]

Most recent instantaneous value: 8.01 12-11-2019   20:30 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: 0.44 12-11-2019   20:55 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: 0.45 12-11-2019   09:35 PST
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Phycocyanins (cyanobacteria), water, in situ, in vivo fluorescence, in vivo fluorescence units

Most recent instantaneous value: 0.48 12-11-2019   20:30 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: 0.66 12-11-2019   20:30 PST
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