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DESCRIPTION:

Latitude 45°14'38.1",   Longitude 122°41'14.8"   NAD83

Clackamas County, Oregon, Hydrologic Unit 17090009

Drainage area: 323 square miles

Datum of gage: 97.49 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2000-10-01	2025-12-10
Daily Data
Temperature, water, degrees Celsius	1964-01-11	2025-12-09	4896
Temperature, water, degrees Celsius	2024-08-31	2025-12-09	465
Precipitation, total, inches	2010-01-30	2012-09-29	888
Discharge, cubic feet per second	1928-08-01	2025-12-09	26046
Daily Statistics
Discharge, cubic feet per second	1928-08-01	2024-09-30	25626
Monthly Statistics
Discharge, cubic feet per second	1928-08	2024-09
Annual Statistics
Discharge, cubic feet per second	1928	2024
Peak streamflow	1929-04-14	2023-12-04	70
Field measurements	1964-01-26	2025-12-05	226
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1977-08-17	2023-06-27	8
Water-Year Summary	2006	2024	19
Revisions	Loading...

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