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  • UPDATE, 11/9: As of November 8, the USGS has successfully restored all of the operational gages that stopped transmitting due to an issue with the satellite telemetry system that records and transmits data. The USGS will now focus on restoring other equipment that experienced the telemetry issues, including about 85 rapid deployment gages that are used periodically for emergency response. Read more
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USGS 14203500 TUALATIN RIVER NEAR DILLEY, OR

PROVISIONAL DATA SUBJECT TO REVISION

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Station operated in cooperation with the Bureau of Reclamation and the U.S. Army Corps of Engineers.

NOTE: River forecasts and additional data can be obtained at the 
National Weather Service's Advanced Hydrologic Prediction Services web page.

NOTE: The most current shifted rating for this site can be found at USGS Rating Depot website.
Available Parameters Available Period
All 9 Available Parameters for this site
  
00010 Temperature, water 2016-03-26  2018-11-18
00060 Discharge 1986-10-01  2018-11-18
00065 Gage height 2018-07-21  2018-11-18
00095 Specific cond at 25C 2016-03-26  2018-11-18
00400 pH 2016-03-26  2018-11-18
32295 fDOM, water, in situ 2016-03-26  2018-11-18
32318 Chlorophylls,in situ 2016-03-25  2018-11-18
32319 fPC, water, in situ 2016-03-25  2018-11-18
63680 Turbidity, Form Neph 2016-03-26  2018-11-18

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


Temperature, water, degrees Celsius

Most recent instantaneous value: 8.5 11-18-2018   05:30 PST
Graph of  Temperature, water, degrees Celsius

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Discharge, cubic feet per second

Most recent instantaneous value: 98.7 11-18-2018   05:00 PST
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Daily discharge, cubic feet per second -- statistics for Nov 18 based on 79 years of record more
Min
(1953)
Most Recent
Instantaneous
Value Nov 18
25th
percen-
tile
Median Mean 75th
percen-
tile
Max
(1946)
18.0 98.7 100 222 374 488 1900


Gage height, feet

Most recent instantaneous value: 9.73 11-18-2018   05:00 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 11-18-2018   05:30 PST
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pH, water, unfiltered, field, standard units

Most recent instantaneous value: 7.4 11-18-2018   05:30 PST
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Dissolved organic matter fluorescence (fDOM), water, in situ, micrograms per liter as quinine sulfate equivalents (QSE)

Most recent instantaneous value: 8.6 11-18-2018   05:30 PST
Graph of  Dissolved organic matter fluorescence (fDOM), water, in situ, micrograms per liter as quinine sulfate equivalents (QSE)

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Chlorophylls, water, in situ, fluorometric method, excitation at 470 +-15 nm, emission at 685 +-20 nm, micrograms per liter

Most recent instantaneous value: 1.2 11-18-2018   05:30 PST
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Phycocyanin fluorescence (fPC), water, in situ, micrograms per liter as phycocyanin

Most recent instantaneous value: 0.28 11-18-2018   05:30 PST
Graph of  Phycocyanin fluorescence (fPC), water, in situ, micrograms per liter as phycocyanin

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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: 3.9 11-18-2018   05:30 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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