One of the common complaints about the spring and fall seasons in Iowa is that they are too short lived. Sure the fall weather is spectacular at the moment, but most are pessimistic that winter is a few mere weeks away. A confounding factor is that the seasons are not well defined as summer and winter like temperatures can both bleed into the spring and fall seasons. Many would agree that having daily high temperatures in the 70s is excellent fall or spring weather, but how commonly are these temperatures found during those seasons? The featured chart presents the partitioning of all daily high temperature observations in the 70s from Des Moines into the four seasons based on calendar months. And sure enough, the summer months barely beat out spring and fall seasons! The chart also clearly delineates that these temperatures are not found during winter, so please enjoy them now as the winter pessimists will soon be right!

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