Kentucky Apple Scab Prediction

Calculating Growing Degree Days for Kentucky Counties

Users of the Growing Degree Day models must select your county of
interest, a Starting date and Ending Date. For Growing Degree Days you
must enter a base temperature...50 is the default temperature.
For modified growing degree days........Low < 50F, Reset to 50F, Ceiling 86F.

Simply fill out the desired parameters then press the "Submit Choices" button.

Starting date:
Ending date:

Choose the degree day base :
Note: Change the base temperature for growing degree day calculations, default is 50

Choose the type of Growing Degree Days ?
Growing Degree Days
Modified Growing Degree Days

*Weather data provided by the Kentucky Mesonet (
at Western Kentucky University and the National Weather Service