Question: how often is punxsutawney phil correct?
Answer: According to tradition, if a groundhog sees its shadow, there will be six more weeks of winter, while no groundhog shadow means early spring. The best known weather-forecasting groundhog is Punxsutawney Phil. Outside organizations (Stormfax Almanac, NOAA) have tracked Phil to be correct only 39-40% of the time.