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Streamflow Measurements for the Nation

USGS 12436500 COLUMBIA RIVER AT GRAND COULEE, WA

Okanogan County, Washington
Hydrologic Unit Code 17020005
Latitude  47°57'56", Longitude 118°58'54" NAD27
Drainage area 74,700  square miles
Gage datum 900.00 feet above NGVD29

Period of record
Begin Date End Date Count
1959-10-08 2024-10-21 359

 
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