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This is the official software repository for National Integrated Drought Information System (NIDIS).

All of this software and its documentation are considered to be in the public domain and thus are available for unrestricted public use. They are furnished "as is." The authors, the United States Government, its instrumentalities, officers, employees, and agents make no warranty, express or implied, as to the usefulness of the software and documentation for any purpose. They assume no responsibility (1) for the use of the software and documentation; or (2) to provide technical support to users.

Drought-related climate indices implemented in Python.