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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  2019-12-06
1988-10-01  2019-12-06
2007-10-01  2019-12-06
2009-01-22  2019-12-06
2009-01-22  2019-12-06
2009-01-22  2019-12-06
2016-12-06  2019-12-06
2009-01-22  2019-12-06
2009-01-22  2019-12-06
2007-10-01  2019-12-04
2009-01-22  2019-12-06
2019-08-08  2019-12-06
2016-12-06  2019-12-06
2016-12-06  2019-12-06
2016-12-06  2019-12-06







 (7)
 

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


Temperature, water, degrees Celsius

Most recent instantaneous value: 5.4 12-06-2019   08:30 PST
Graph of  Temperature, water, degrees Celsius

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Discharge, cubic feet per second

Most recent instantaneous value: -4700 12-06-2019   09:55 PST
Graph of  Discharge, cubic feet per second

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Daily discharge, cubic feet per second -- statistics for Dec 6 based on 47 water years of record more
Most Recent
Instantaneous
Value Dec 6
Min
(1977)
25th
percen-
tile
Median Mean 75th
percen-
tile
Max
(1997)
-4700 8390 33100 57600 66700 99200 161000


Gage height, feet, Morrison Bridge

Most recent instantaneous value: 2.22 12-06-2019   10:35 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: 98 12-06-2019   08:30 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: 12.1 12-06-2019   08:30 PST
Graph of  Dissolved oxygen, water, unfiltered, milligrams per liter

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pH, water, unfiltered, field, standard units

Most recent instantaneous value: 7.4 12-06-2019   08:30 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: 14.22 12-06-2019   08:30 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: 0.5 12-06-2019   08:30 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: 1.9 12-06-2019   08:30 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: 6060 12-04-2019   22:00 PST
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Depth of sensor below water surface, feet, [Depth accuracy is variable]

Most recent instantaneous value: 5.28 12-06-2019   08:30 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: -0.13 12-06-2019   09:55 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: 0.02 12-06-2019   10:35 PST
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Phycocyanins (cyanobacteria), water, in situ, in vivo fluorescence, in vivo fluorescence units

Most recent instantaneous value: 0.52 12-06-2019   08:30 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: 0.59 12-06-2019   08:30 PST
Graph of  Nitrate, water, in situ, milligrams per liter as nitrogen

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