Area	Kootenay Lake
Topic	Flow: Annual Peaks - Kootenai River at Porthill, ID - 1929-2001

 

Caption:  This chart displays annual peak discharge measured at Porthill, ID between 1928 and 2001. Annual peak flows are observed between April and June prior to the construction of the Libby dam in 1992. After dam construction, annual peak flows decrease in magnitude and many occur during late fall and winter months. Flow mitigation after 1991 attempts to re-establish peak flow magnitudes and re-time annual peaks to the summer months (Paragamian, et al, 2001). Annual peaks were measures at USGS gage # 12322000. See Info Links for more Information.

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To learn more about this topic click Info Links . .
To view the table with the chart's data, click Chart Table web page.
To download the table with the chart's data, click flow_annual_peaks_kootenai_usgs12322000.dbf (size 2,646 bytes) .
 
 

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