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DESCRIPTION:

Latitude 45°28'30",   Longitude 123°07'23"   NAD27

Washington County, Oregon, Hydrologic Unit 17090010

Drainage area: 125 square miles

Datum of gage: 147.57 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1986-10-01	2020-02-16
Daily Data
Temperature, water, degrees Celsius	1967-10-01	2020-02-16	4981
Temperature, water, degrees Fahrenheit	1963-11-22	1967-09-29	2544
Discharge, cubic feet per second	1939-10-01	2020-02-15	29358
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2016-03-26	2020-02-16	4241
pH, water, unfiltered, field, standard units	2016-03-26	2020-02-16	4147
Dissolved organic matter fluorescence (fDOM), water, in situ, concentration estimated from reference material, micrograms per liter as quinine sulfate equivalents (QSE)	2017-02-16	2020-02-16	3269
Chlorophylls, water, in situ, fluorometric method, excitation at 470 +-15 nm, emission at 685 +-20 nm, micrograms per liter	2017-02-16	2020-02-16	3287
Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin	2017-02-16	2020-02-16	3284
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2016-03-26	2020-02-16	4235
Daily Statistics
Temperature, water, degrees Celsius	2016-03-26	2019-11-07	1316
Discharge, cubic feet per second	1939-10-01	2019-05-06	29073
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2016-03-26	2019-11-07	1312
Monthly Statistics
Temperature, water, degrees Celsius	2016-03	2019-11
Discharge, cubic feet per second	1939-10	2019-05
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2016-03	2019-11
Annual Statistics
Temperature, water, degrees Celsius	2016	2020
Discharge, cubic feet per second	1940	2019
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2016	2020
Peak streamflow	1940-02-06	2018-01-27	79
Field measurements	1977-12-14	2020-01-28	248
Field/Lab water-quality samples	1981-10-28	2019-03-13	969
Water-Year Summary	2006	2019	14
Revisions	Loading...

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