Thornthwaite Monthly Water Balance Model

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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 USGS Open-File Report 2007-1088: A Monthly Water-Balance Model Driven by a Graphical User Interface (McCabe and Markstrom, 2007).