IEM Daily Feature
Thursday, 27 February 2020

Limited Cold

Posted: 27 Feb 2020 05:33 AM

While we have seen about normal snowfall this winter season, really cold wind chill temperatures have been more difficult to come by. The featured chart presents the hourly frequency of having a wind chill temperature at or below a given threshold for Des Moines. This season's total is compared against a simple climatology since 1970. The hourly totals this season are generally about half of the average total for the season to date period. Of course very cold temperatures can happen during March, but with each passing day the chances decrease as we lurch toward spring.

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