IEM Daily Feature
Tuesday, 18 September 2012

Shark fins

Posted: 18 Sep 2012 05:45 AM

Monday was one of the rare occasions this year to have a high temperature below normal, which started a streak of one day in a row below normal! The featured chart presents the streaks of above or below (negative numbers) daily high temperatures for Des Moines. This year is presented along with 3 famously warm years of the past. This year has yet to see a streak over 10 days below normal, whereas each of the other years shown have seen at least one. The longest of these streaks below average tend to occur in the winter time with significant snow cover. Our current streak looks to end on Wednesday with highs back near 80.

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Tags:   2012