IEM Daily Feature
Wednesday, 09 December 2020

+20 Degree Days

Posted: 09 Dec 2020 05:36 AM

High temperatures are expected to warm nicely today with highs pushing 20 some degrees above average for this time of the year. The featured chart presents the number of such warm departure days by year for Des Moines. Plots like these are somewhat problematic as they use present day or period of record climatology to present historical departures. That issue aside, the maximum number of days happened during the epic warmth of 2012. The 2020 value is just shy of long term average around 11.5 days.

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