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DESCRIPTION:

Latitude 46°01'40",   Longitude 118°43'43"   NAD27

Walla Walla County, Washington, Hydrologic Unit 17070102

Drainage area: 1,657 square miles

Datum of gage: 401.93 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1989-10-01	2026-01-07
Daily Data
Temperature, water, degrees Celsius	2002-08-15	2005-09-29	2536
Discharge, cubic feet per second	1951-10-01	2026-01-06	27127
Gage height, feet	1994-09-30	2026-01-06	9646
Suspended sediment concentration, milligrams per liter	1962-10-01	1970-06-30	2785
Suspended sediment discharge, short tons per day	1962-10-01	1970-06-30	2829
Daily Statistics
Temperature, water, degrees Celsius	2002-08-15	2005-09-29	844
Discharge, cubic feet per second	1951-10-01	2025-11-12	27072
Gage height, feet	1994-09-30	2025-11-12	9591
Suspended sediment concentration, milligrams per liter	1962-10-01	1970-06-30	2785
Suspended sediment discharge, short tons per day	1962-10-01	1970-06-30	2829
Monthly Statistics
Temperature, water, degrees Celsius	2002-08	2005-09
Discharge, cubic feet per second	1951-10	2025-11
Gage height, feet	1994-09	2025-11
Suspended sediment concentration, milligrams per liter	1962-10	1970-06
Suspended sediment discharge, short tons per day	1962-10	1970-06
Annual Statistics
Temperature, water, degrees Celsius	2002	2005
Discharge, cubic feet per second	1952	2026
Gage height, feet	1994	2026
Suspended sediment concentration, milligrams per liter	1963	1970
Suspended sediment discharge, short tons per day	1963	1970
Peak streamflow	1949-02	2025-02-24	75
Field measurements	1951-08-17	2025-11-13	635
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1959-10-01	2020-08-11	250
Water-Year Summary	2006	2025	20
Revisions	Loading...

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