crimeo

What were you wearing, what was outdoor temperature and snow is not the same thing as stone floor. Water should conduct heat better than stone I'm pretty sure, and also definitely has a higher specific heat, so it will sink more of your heat without equalizing the temperature as quickly, allowing for more prolonged and extreme temperature gradients. So snow should make you colder on contact faster than concrete, I think. Though I am thinking of liquid water, and snow might be different