What is what does it mean if the groundhog sees his shadow?

According to folklore, if a <a href="https://www.wikiwhat.page/kavramlar/groundhog's%20shadow">groundhog's shadow</a> on <a href="https://www.wikiwhat.page/kavramlar/Groundhog%20Day">Groundhog Day</a>, February 2nd, sees its shadow due to clear weather, it will retreat to its burrow and winter will last for six more weeks. If it does not see its shadow due to cloudy weather, spring will arrive early. This belief is rooted in Pennsylvania Dutch superstition and has become a popular tradition in North America. The most famous groundhog is <a href="https://www.wikiwhat.page/kavramlar/Punxsutawney%20Phil">Punxsutawney Phil</a>.