The leading Groundhog Day data source

Bill’s Predictions

Boise Bill has made 10 predictions since 2007.

  • 7 predictions (70%) of six more weeks of winter
  • 3 predictions (30%) of early spring
  • 7 times, Bill’s predictions went unrecorded

All predictions

Year Prediction
2023 No prediction.
2022 No prediction.
2021 No prediction.
2020 No prediction.
2019 No prediction.
2018 Early spring
2017 Early spring
2016 More winter
2015 Early spring
2014 No prediction.
2013 More winter
2012 More winter
2011 More winter
2010 More winter
2009 More winter
2008 No prediction.
2007 More winter