Visualizing The Accuracy Of Groundhog Day Predictions
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Home BlogData Visualization Visualizing the Accuracy of Groundhog Day Predictions Visualizing the Accuracy of Groundhog Day Predictions by Morgan Stevens February 15, 2022 by Morgan Stevens February 15, 2022 
FiveThirtyEight, a data journalism website, has created a visualization illustrating how often Punxsutawney Phil, a groundhog in Pennsylvania, made an accurate prediction on Groundhog Day from 1994 to 2021. According to legend, if Punxsutawney Phil sees his shadow on the morning of February 2, winter will continue for six more weeks. If he does not, spring has arrived. FiveThirtyEight used data from the National Oceanic and Atmospheric Administration (NOAA) to assess Punxsutawney Phil’s predictions based on whether U.S. regions experienced above or below average temperatures. According to the visualization, Punxsutawney Phil’s accuracy ranges from 50 percent in the South to only 39.3 percent in the Northwest and Northeast.
Take a look.
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Morgan Stevens
Morgan Stevens is a Research Assistant at the Center for Data Innovation. She holds a J.D. from the Sandra Day O'Connor College of Law at Arizona State University and a B.A. in Economics and Government from the University of Texas at Austin.
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