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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 Period of Record
  
1975-11-07  2025-01-30
1972-10-01  2025-01-29
1975-12-02  2025-01-30
2009-01-22  2025-01-30
2009-01-22  2025-01-30
2022-01-31  2025-01-30
2024-08-22  2025-01-30
2024-08-22  2025-01-30
2009-01-22  2024-08-20
2009-01-22  2025-01-30
2006-09-30  2025-01-27







 (365)
 
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Summary of all available data for this site
Instantaneous-data availability statement

Temperature, water, degrees Celsius

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Discharge, cubic feet per second

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

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Dissolved oxygen, water, unfiltered, milligrams per liter

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pH, water, unfiltered, field, standard units

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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)

Graph of DAILY 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 relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU)
 
-- Data temporarily unavailable for the time period specified --

Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU)
 
-- Data temporarily unavailable for the time period specified --

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

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

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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)

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Discharge, tidally filtered, cubic feet per second

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