Dashboard data may involve estimations.
Historic drought conditions and categories
Select a sub-basin to view its historical drought conditions and categories.

Last updated: Dec 5, 2025

  • By first selecting a sub-basin from the drop-down menu above the chart, the plot should visualize historic drought conditions for that sub-basin and the category of drought (Zero-D4) throughout the years.
Texas current drought map from the U.S. Drought Monitor.