USGS Streamgage statistics

Enter USGS streamgage site information such as a site number, a river name, or a county name, choose streamflow type, and then click “GO” to retrieve streamflow statistics and flow duration curve.

Percentile values are shown to the right of the graph and exceedance probability values are on the x-axis. These terms are defined on the percentile description page.
Duration curves
Site
number
NameDrainage
(mi2)
No. of
Years
06048000East Gallatin River at Bozeman MT14822