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DESCRIPTION:

Latitude 45°37'15",   Longitude 122°40'20"   NAD27

Clark County, Washington, Hydrologic Unit 17080003

Drainage area: 241,000 square miles

Datum of gage: 1.82 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2007-10-01	2025-07-06
Daily Data
Temperature, water, degrees Celsius	1967-08-10	1979-10-11	7480
Discharge, cubic feet per second	1963-10-01	2025-07-05	5828
Gage height, feet	1998-02-12	2025-07-05	29770
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2016-04-17	2025-07-05	3190
Discharge, tidally filtered, cubic feet per second -- Upstream	2016-03-04	2025-07-03	3356
Daily Statistics
Temperature, water, degrees Celsius	1972-09-27	1979-10-11	390
Discharge, cubic feet per second	1963-10-01	2024-11-07	5589
Gage height, feet	1998-02-12	2024-10-28	9649
Discharge, tidally filtered, cubic feet per second -- Upstream	2016-03-04	2024-11-07	3122
Monthly Statistics
Temperature, water, degrees Celsius	1972-09	1979-10
Discharge, cubic feet per second	1963-10	2024-11
Gage height, feet	1998-02	2024-10
Discharge, tidally filtered, cubic feet per second -- Upstream	2016-03	2024-11
Annual Statistics
Temperature, water, degrees Celsius	1972	1980
Discharge, cubic feet per second	1964	2025
Gage height, feet	1998	2025
Discharge, tidally filtered, cubic feet per second -- Upstream	2016	2025
Peak streamflow	1894-06-07	2024-06-07	35
Field measurements	2015-09-16	2025-07-01	110
Field/Lab water-quality samples	2016-04-28	2023-12-11	50
Water-Year Summary	2006	2024	19
Revisions	Loading...

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