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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	2020-05-29
Daily Data
Temperature, water, degrees Celsius	1967-10-01	2020-05-29	5291
Temperature, water, degrees Fahrenheit	1963-11-22	1967-09-29	2544
Discharge, cubic feet per second	1939-10-01	2020-05-28	29461
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2016-03-26	2020-05-29	4551
Dissolved oxygen, water, unfiltered, milligrams per liter	2020-02-19	2020-05-29	202
pH, water, unfiltered, field, standard units	2016-03-26	2020-05-29	4457
Dissolved organic matter fluorescence (fDOM), water, in situ, concentration estimated from reference material, micrograms per liter as quinine sulfate equivalents (QSE)	2017-05-31	2020-05-29	3267
Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll	2017-05-31	2020-05-29	3285
Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin	2017-05-31	2020-05-29	3285
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	2020-05-29	4545
Daily Statistics
Temperature, water, degrees Celsius	2016-03-26	2020-04-05	1466
Discharge, cubic feet per second	1939-10-01	2020-02-20	29363
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	2020-04
Discharge, cubic feet per second	1939-10	2020-02
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	2020
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2016	2020
Peak streamflow	1940-02-06	2019-02-12	80
Field measurements	1977-12-14	2020-04-09	251
Field/Lab water-quality samples	1981-10-28	2019-12-13	1001
Water-Year Summary	2006	2019	14
Revisions	Loading...

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