IEM Daily Feature
Tuesday, 15 December 2020

Daily HDDs

Posted: 15 Dec 2020 05:36 AM

With a fresh snow pack and clouds, temperatures struggled over Iowa on Monday making for the coldest day so far this season. The featured chart presents the climatology and 2020 daily values of Heating Degree Days (HDD)s for Des Moines. Such values are a useful proxy to home heating demands with higher values representing more heating needed. Some of the recent cold events in September and October anomalously appear outside the 95th percentile. The near term forecast continues to show warmer weather next week.

Good = 11
Bad = 1