IEM Daily Feature
Thursday, 21 July 2022

Hot Hours Departure

Posted: 21 Jul 2022 05:30 AM

While temperatures warmed again into the upper 80s and 90s on Wedneday, humidity levels were not all that bad and so it certainly was not as miserable as it could have been. The ugliness of summer time has generally stayed off to our south as shown by the featured map presenting an IEM calculation of the departure of number of hours this year with a heat index of at least 100 degrees vs a 50 year average for stations with data dating back that far. Places marked with an 'X' have a 2022 value above any previous year since at least 1973. The map nicely shows that the anomalously worse weather has mostly stayed just to our south this summer, but there is still plenty of summer left for Iowa to catch up.

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