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PRISM Group at Oregon State University








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PRISM Data – Terms of Use


All data and other information available on the prism.oregonstate.edu website are subject to the conditions stated below.

Map Graphics. Map graphics may be freely reproduced and distributed, as long as the PRISM Group copyright notice, URL, and the date of map creation are reproduced in full. This applies when the image is reproduced in any form, whether electronically or in hard copy. If an image does not already include that notice, it must be added as follows:
Copyright ©<year>, PRISM Group, Oregon State University, https://prism.oregonstate.edu, map created <date>.

Data. All data (gridded, polygon, tabular, graphical) retrieved from this website or otherwise provided on the website may be freely reproduced and distributed.

References to the Data. When the data are used, any description should clearly and prominently state, at a minimum, our name, URL, and the date of data access. For example:
PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed 16 Dec 2025.

Copyright and Ownership. All data and information presented through this website are protected by United States copyright laws and applicable international copyright treaties. The PRISM Group, Oregon State University retains rights to ownership of the data and information.

Disclaimers. It is not recommended that PRISM data be used to calculate very long-term trends.

No Warranty. All content on this website is provided "as is," without warranty of any kind, either express or implied.

Questions to prism-questions@nacse.org This website is supported by the USDA Risk Management Agency © 2026, Northwest Alliance for Computational Science & Engineering (NACSE), based at Oregon State University

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