There was a download of Boyden Predictor 1.0 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. This software is an intellectual property of Jiří ALBRECHT, Andrea PETRIČÁKOVÁ.
We recommend checking the downloaded files with any free antivirus. The following version: 1.0 is the most frequently downloaded one by the program users. The common filename for the program's installer is Boyden Predictor.exe. The software lies within Education Tools, more precisely Science Tools.
From the developer:
Boyden snow predictor is British statistical -empirical method for prediction of precipitation phase state, especially for snowfall. Testing method for geographic condition of Czech Republic was confirmed that method is applicable if the input value of thickness 1000/850 hPa is close to time of aerological sounding and there is not transferring of atmospheric front or existence of strong advection of air mass.
You may want to check out more software, such as Lotto007 Prediction Expert, ISS Transit Prediction or ReliaSoft Lambda Predict, which might be similar to Boyden Predictor.