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Downy brome Weed Model

Online Growing Degree Day Model

A downy brome weed model has been validated by Dan Ball and made available with the cooperation of Len Coop of OSU. The model is valid for the inland Pacific Northwest, including Walla Walla and Pullman, WA.

You can access OSU's growing degree day calculator in 2 ways.

The calculator operates for Oregon only right now.

  1. CHOOSE YOUR TOWN

    For any town, use drop down box to select location or

    click on one of the names below. Default settings are

    already chosen for you. Click on Calc at the

    bottom of the page to run the calculator. (Note that the

    model is not valid for all the possible sites listed.)

    Pendleton       Hermiston

    Heppner          La Grande
     

  2. CHOOSE YOUR STATION FROM THE MAP

    Oregon 2001 to date

    Click on map to link to maps, choose map, then click on station black diamond of your choice. GDD information will appear in the lower left corner of the page.