IEM Daily Feature
Tuesday, 09 May 2023

Catching May 1934

Posted: 09 May 2023 05:30 AM

May has gotten off to a rather warm start with another warm day yesterday. With more warmth in the immediate forecast, perhaps one wonders if we could be set for the warmest May on record? Well for Des Moines, the featured chart shows that it is very unlikely. The chart presents the month to date accumulated average daily temperature for May 1934, this May, and then the combination of this May and each of the previous May's 9th through 31st appended. If we assume that what happens for the rest of this May falls within what previously has happened, we end up with 0 percent of these scenarios betting May 1934! The comparison for the first week of the month tells the story as some chillier overnight lows to start off the month really pulled down the accumulated average.

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