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USGS Streamflow Duration Hydrograph Builder
Site Number Year:   No. of years:  
5th and 95th percentiles: Year Type:   Output:
Select streamflow years and styles:

Year 1:
Year 2:
Critical flows:
Position: Color band transparency (0-1):

For some streams, flow statistics may have been computed from mixed regulated
and unregulated flows; this can affect depictions of flow conditions.

Duration Hydrograph
Duration hydrograph legend

Additional Information