1925: Snow fell across about the southern half of Iowa on October 27-28 following a statewide snowfall that had occurred just a couple of days earlier. Two-day accumulations on the 27th-28th included 2.0 inches at Corning and Keosauqua, 3.0 inches at Mount Ayr, 3.4 inches at Keokuk, and 6.0 inches at Clarinda. Unseasonably cold temperatures also settled across the state over the last several days of the month. Des Moines easily recorded its three coldest October temperatures ever in three consecutive days from the 28th-30th, the low of 7 F on the 28th still standing as the station October record today. The month would finish as the coldest October on record at Des Moines with an average temperature of only 41.6 F. Several stations in Iowa fell to or below zero on the 28th including readings of 0 F at Rock Rapids and Rockwell City, -1 F at Onawa, and -2 F at Logan and Webster City. The all-time Iowa October low temperature record would be reached at Inwood on the 29th.
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This post was written by Schnack on October 28, 2012