Written by on June 17, 2014 in News

By Harry Hillaker, State Climatologist, Iowa Department of Agriculture & Land Stewardship

Iowa experienced an unseasonably cool week with highly variable rain amounts. Mostly dry weather prevailed at the beginning of the reporting week on Sunday (8th) with rain falling over far northwest Iowa on Monday (9th) morning. Light to moderate rain fell across the southeast one-third of the state on Tuesday (10th) while dry weather prevailed over most of Iowa on Wednesday, Thursday and Friday. Rain fell across the northwest one-half of the state on Saturday (14th) into Sunday (15th) morning. Torrential rain fell across portions of Lyon and Osceola counties of far northwest Iowa on Saturday morning. Another period of torrential rain occurred Saturday night into Sunday morning centered upon Woodbury County and extending northeastward into Buena Vista County. There was no measureable rain during the week across portions of central Iowa, including Indianola, Des Moines, Ames, Marshalltown, Waterloo and Manchester. On the other end of the spectrum Rock Rapids reported 6.88 inches of rain for the week. Other locations reporting more than one-half foot of rain were Correctionville (6.76), Holly Springs (6.43) and Sioux City Airport (6.22) in Woodbury County and 6.05 inches at the Storm Lake Airport. The statewide average precipitation was 0.67 inches or a little more than one-half of the weekly normal of 1.19 inches. Temperatures were below normal throughout the week excepting portions of western Iowa on Wednesday (11th). Highest temperatures came on Wednesday with 85 degree readings at Clarion, Hampton and Little Sioux and also on Saturday (14th) at Little Sioux, Oakland and Sidney. On the other extreme Friday (13th) morning lows were in the 40’s over most of Iowa with Battle Creek (38) and Sioux City (39) dipping into the thirties. Battle Creek’s 38 degree minimum temperature was the lowest recorded for so late in the season in Iowa since Cresco dropped to 35 degrees on June 21, 1992. Temperatures for the week as a whole averaged 4.1 degrees below normal.

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