Flood Damage in the United States, 1926-2003
A Reanalysis of National Weather Service Estimates

Drainage Basin Data Set

Use the form below to acquire drainage basin-specific damage flood data. Select a drainage basin(s) and year(s) from the dropdown menus and click "Get Drainage Basin Flood Damage Data" in current dollar values (millions).

Note: you can also download the entire Drainage Basin Data Set as an MS Excel file: [Download Excel File]

Multiple drainage basins and years can be selected in the following manner:

• Windows Operating System: Left click on a drainage basin/year and drag the mouse down (or up) while holding the Shift key to select a range of drainage basins or years. Click on individual drainage basins/years while holding the Ctrl key to select multiple, non-sequenced drainage basins or years.
• Macintosh: Left click on a drainage basin/year and drag the mouse down (or up) while holding the Shift key to select a range of drainage basins or years. Click on individual drainage basins/years while holding the Cmd key to select multiple, non-sequenced drainage basins or years.
• Solaris: Solaris users using Netscape 4.7x will have to left click to select (or unselect) individual drainage basins and years. A range of drainage basins and years can be selected in this manner as well as multiple, non-sequenced drainage basins or years. If you wish to select ALL the drainage basins and years, chose the "Select All" option from the drop down menus. Solaris users using Netscape 6.x may select multiple drainage basins/years (in a range or non-sequenced) using the method described below for the Linux operating system.
• Linux: Left click on a drainage basin/year name and drag the mouse down (or up) while holding the Shift key to select a range of drainage basins or years. Click on individual drainage basins/years while holding the Ctrl key to select multiple, non-sequenced drainage basins or years.

Use the following form to find out what rivers are in a drainage basin:

Click on a drainage basin in the image map below to acquire that drainage basin's total flood damage data for the years 1933-1975 in current dollar values (millions).