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How to Manage Pests

Degree-days: Reference Degree-Day Tables

Each of these tables shows degree-days, based on thresholds for a particular organism, for pairs of minimum and maximum temperatures. They can be printed and are useful for calculating degree-days when no computer is available.

| Calculate degree-days and run models | About degree-days |

Select an organism

Statewide IPM Program, Agriculture and Natural Resources, University of California
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For noncommercial purposes only, any Web site may link directly to this page. FOR ALL OTHER USES or more information, read Legal Notices. Unfortunately, we cannot provide individual solutions to specific pest problems. See our Home page, or in the U.S., contact your local Cooperative Extension office for assistance.

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