Skip to main content
U.S. flag

An official website of the United States government

Thornthwaite Monthly Water Balance Model

February 28, 2020

Full model documentation, including both a description of the physical process modeling methodology and the graphical user interface can be accessed from the button below. A demonstration input data file (necessary to run the model) is available with the model download.

Read more about the model in:

McCabe, G.J., and Markstrom, S.L., 2007, A monthly water-balance model driven by a graphical user interface: U.S. Geological Survey Open-File report 2007-1088, 6 p.,


Publication Year 2020
Title Thornthwaite Monthly Water Balance Model
Product Type Software Release
Record Source USGS Digital Object Identifier Catalog