Snow + sunshine = genius

A simple formula but it works. You can even improve on it:

cold x (snow + sunshine) - wind = genius.

Which is what we got today.

And if you ever wondered if all those noisy, messy snow cannons worked, have a look at this (underneath the ice and snow it's the old disused chair lift from the Medran car park, and it got in the way of a snow cannon on overnight):