I’ll have to ask them, Spunky. Does Weather Almanac just do real weather, or do they have the Bill Gates Weather Amendments as well?
I have no idea.
In doing a Google search a University of Illinoise study in 2010 says it was only right 52% of the time, whereas the Almanac says 80-85%
All I know is it is a book you can buy and I have heard some farmers swear by it.