How does the Old Farmers Almanac make its long term weather predictions?
It’s classified! Janice Stillman, the editor in chief of the Old Farmer’s Almanac, recently described the publication’s methodology by saying that while a host of methods were used, a key component in the mix was a “secret formula.” What is known about how the Old Famer’s Almanac makes its predictions is that it includes analyses of planetary positioning, ocean tides and sun spot activity.