Not a teacher.
They are saying that every year is like the one previous.
It is a reference to the film "Groundhog Day" starring Bill Murray.
No, Bob. In the movie he woke up again and again and again on the same day. If was groundhog day (Feb 2) every time - same song on the radio when he woke up, same greetings by the same people, etc. It had nothing to do with the little guy's prediction about six more weeks of winter.