Tree Fruit Research & Extension Center

Orchard Pest Management Online


Degree Day Tables

These tables are designed to be used with the accompanying text for each pest species for which degree day models have been developed. They may open in a new browser window.

Degree Day Look-up

Degree Day/Development


Orchard Pest Management, is copyrighted by the Washington State Fruit Commission. Soft cover copies are available for purchase.
Tree Fruit Research & Extension Center , 1100 N Western Ave, Washington State University, Wenatchee WA 98801, 509-663-8181, Contact Us