With a possibility of snow > 0% I immediately happened upon this calculator https://www.omnicalculator.com/other/snowman which
As winter is coming again, it’s time we started thinking of our snowy friends ⛄⛄⛄ This snowman calculator is here to assist you in designing the snowman of your dreams based on the principles of science and postulates of mathematical beauty!
https://www.omnicalculator.com/other/snowman
…and having sent this around to folks to test today the primary complaint is that where it the fun of creating an overly large base that is so large you can no longer roll it around the yard.
Feel free to ignore the calculator and simply consume 80% of the snow in your yard making a giant snowball. That said, I do recall this article from years gone by where a “giant runaway snowball crashed into a Reed dorm….” https://www.reed.edu/reed_magazine/sallyportal/posts/2014/giant-snowball-batters-reed-dorm.html