Edit Inputs from the Output Screen:
Once you have run the model and have reached the output screen, you may make additional changes to the model parameters and see the resulting changes immediately. At the output screen, notice top of the window:

There are a number of parameters at the top of the page, such as Previous Crop and Previous Tillage. Simply select a new value for any of these variables and the results will be instantly updated in the table below.

Edit Weather Data:

Weather data may be updated by selecting the cell of interest and then typing in a new value. Any of the yellow columns may be changed. If you have made changes to the weather inside this form, they will not be saved. Please edit the weather files either with the weather editor or outside of WeedCast/WheatScout (using MicroSoft Excel, for example).