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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  2021-02-27
1988-10-01  2021-02-27
2007-10-01  2021-02-27
2009-01-22  2021-02-27
2009-01-22  2021-02-27
2009-01-22  2021-02-27
2018-02-28  2021-02-27
2009-01-22  2021-02-27
2009-01-22  2021-02-27
2007-10-01  2021-02-26
2009-01-22  2021-02-27
2020-10-31  2021-02-27
2018-02-28  2021-02-27
2018-02-28  2021-02-27
2018-02-28  2021-02-27







 (7)
 
  -- or --

 

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

Temperature, water, degrees Celsius
Most recent instantaneous value: 7.6 02-28-2021   00:00 PST
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Discharge, cubic feet per second
Most recent instantaneous value: 56000 02-27-2021   23:50 PST
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Daily discharge, cubic feet per second -- statistics for Feb 28 based on 47 water years of record more
Min
(2005)		 25th
percen-
tile		 Median Mean Most Recent
Instantaneous
Value Feb 28		 75th
percen-
tile		 Max
(1999)
11900 24900 41400 49200 56000 62000 150000

Gage height, feet, Morrison Bridge
Most recent instantaneous value: 5.24 02-27-2021   23:35 PST
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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
Most recent instantaneous value: 78 02-28-2021   00:00 PST
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Dissolved oxygen, water, unfiltered, milligrams per liter
Most recent instantaneous value: 13.8 02-28-2021   00:00 PST
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pH, water, unfiltered, field, standard units
Most recent instantaneous value: 7.3 02-28-2021   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: 16.04 02-28-2021   00:00 PST
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Chlorophyll, total, water, fluorometric, 650-700 nanometers, in situ sensor, micrograms per liter
Most recent instantaneous value: 0.9 02-28-2021   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: 8.1 02-28-2021   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: 52200 02-26-2021   12:00 PST
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Depth of sensor below water surface, feet, [Depth accuracy is variable]
Most recent instantaneous value: 10.78 02-28-2021   00:00 PST
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Mean water velocity for discharge computation, feet per second, Broadway Bridge, [Broadway Bridge]
Most recent instantaneous value: 1.49 02-27-2021   23:50 PST
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Mean water velocity for discharge computation, feet per second, Morrison Bridge
Most recent instantaneous value: 1.29 02-27-2021   23:35 PST
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Phycocyanins (cyanobacteria), water, in situ, in vivo fluorescence, in vivo fluorescence units
Most recent instantaneous value: 0.53 02-28-2021   00:00 PST
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Nitrate, water, in situ, milligrams per liter as nitrogen
Most recent instantaneous value: 0.92 02-27-2021   23:30 PST
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