The coldest air of the season is currently impacting the state with some bitterly cold wind chills prompting the issuance of Wind Chill Advisories. The featured chart looks at the accumulated amount of time that Des Moines has a wind chill temperature at or below the given temperature. This plot only considers cases when the wind was blowing strong enough to be measured. The totals this far for 2017 are well below average, but of course, we are just getting started for the season! Some even colder air is expected later this week.

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Tags:   windchill