Collective superstition and mysticism are just that, tendencies to attribute meaning to uncertainty. However if enough of us attribute the similar meanings and momentum, and take guidance or inspiration from the same process or pattern, then we create a reality that reflects those attributes.
Cailleach and the Groundhog
Cailleach is the Celtic Crone. Punxsutawney Phil is a groundhog. And believe it or not, they are related to each other.