How much of the U.S. is in drought?

The United States Drought Monitor is your source for drought information. Starting with the main graph, copied here, you can select regions and then down to state levels. From the data tab you can select time series graphs, download tabular data by selected region, as well as obtain GIS files. has a Weekly Drought Map page that provides information about this resource.

About Thomas J. Pfaff

Thomas J. Pfaff is a Professor of Mathematics at Ithaca College. He created this website because he believes that sustainability, ranging from climate change to social justice, should be included in all courses whenever possible.

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What is the status of Lake Mead?

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