NOTICE: Beginning in January 2020, USGS WaterWatch will be operated in a maintenance-only mode. We apologize for any inconvenience that this may cause. Please contact USGS WaterWatch if you have any questions
USGS Area-Based Runoff Duration Hydrograph Builder
State
Water Res. Region
Year:
Runoff type:
No. of years:
Draw 5th and 95th percentiles as:
Year Type:  
Output:

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