Groundhog Day: Punxsutawney Phil sees shadow, predicting longer winter
Woodchuck’s weather forecast is an annual ritual that goes back more than a century in western Pennsylvania
The event is based upon a communal light-hearted suspension of disbelief which extends to the assertion that the same groundhog has been making predictions since the 19th century.
From the Wiki
I suspend no disbelief. He’s eternal!