The big story of the current winter storm is not the snowfall, but the bitter cold temperatures and wind that will make today and Friday very dangerous to be outside. The featured graph shows the percentage of years in Ames's climate history that a certain threshold low temperature was exceeded. According to this plot, Ames has seen a sub -20 °F temperature in 40% of years during the Dec, Jan, and Feb months. Lows on Saturday are only expected to reach -10 °F, which is common just about every year.

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Tags:   winter