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Peak Streamflow for the Nation

USGS 12388700 Flathead River at Perma MT

Sanders County, Montana
Hydrologic Unit Code 17010212
Latitude  47°22'00.45", Longitude 114°35'06.00" NAD83
Drainage area 9,024  square miles
Contributing drainage area 9,004  square miles
Gage datum 2,469.3 feet above NGVD29

Period of record
Begin Date End Date Peaks
1984-06-29 2023-05-15 40

 
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