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Peak Streamflow for the Nation

USGS 14019200 COLUMBIA RIVER AT MCNARY DAM,NEAR UMATILLA, OR

Umatilla County, Oregon
Hydrologic Unit Code 17070101
Latitude  45°55'58.18", Longitude 119°17'43.67" NAD27
Drainage area 214,000  square miles
Gage datum 340 feet above NGVD29

Period of record
Begin Date End Date Peaks
1951-05-29 1981-06-09 31

 
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