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How to Manage Pests

Degree-Days: Methods

| Run models | About degree-days |

Detailed figures and formulas

Links to detailed figures and formulas for calculating degree-days

Detailed single sine figures and formulas for calculating degree-days
Single Sine		 Detailed double sine figures and formulas for calculating degree-days
Double Sine
Detailed single triangle figures and formulas for calculating degree-days
Single Triangulation		 Detailed double triangle figures and formulas for calculating degree-days
Double Triangulation

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 How to manage pests, or in the U.S., contact your local Cooperative Extension office for assistance. /WEATHER/ddfigindex.html revised: August 31, 2005. Contact webmaster.