1964: An area of high pressure moved across Iowa on August 13-14 bringing clear skies and light winds that allowed temperatures to plummet across portions of the state two nights in a row, resulting in record lows at many locations. On the morning of the 13th reported low temperatures included 38 F at Bedford, Independence, Le Mars, and Sibley, 37 F at Cherokee, Ida Grove, and Oelwein, and 36 F at Carroll and Storm Lake.
1911: Severe flooding occurred along the Upper Iowa River in far northeastern Iowa on August 13-14. The flooding was caused by two heavy rain events, the first affecting the entire river basin on the 13th and the second affecting northern portions of the basin in far southeastern Minnesota overnight into the 14th. On the 13th reported rainfall amounts included 3.26 inches at Decorah, 2.41 inches at Ridgeway, and 2.20 inches at Elma. The Decorah Republican newspaper reported that “bridges, houses, barns, farm animals and grain are wrecked, burned, killed, or washed away.” A postmaster at New Albin wrote that “crops are damaged through the valley very materially” and that “no lives were lost, but horses, cattle, and hogs were swept down the stream.” Several bridges were also reported washed out by the floods.
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This post was written by Schnack on August 13, 2012