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Corn Sweat Fuels Iowa’s Muggy Heat | Des Moines News
Did you know corn is secretly sweating you into a sticky summer? In Iowa, millions of acres of corn release moisture into the air through evapotranspiration—scientists call it “corn sweat”—making humidity feel heavier, especially in late June and July. While a stubborn high-pressure system over the Tennessee Valley drives the extreme heat, the corn’s natural moisture boost adds to the muggy misery. Peak “corn sweat” hits July and August, but relief comes as harvest nears in late summer. Stay safe: hydrate, wear loose clothes, cool off indoors or with showers, and avoid heat stroke. Listen in…
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