Written by Theresa Rose on June 2, 2015

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

The past reporting week began with frequent widespread rainfall and warmer than normal weather from Sunday (24th) through Tuesday (26th). Wednesday (27th) was dry while rain was concentrated over southern Iowa on Thursday (28th) with daytime high temperatures mostly in the low eighties both days. Friday (29th) was another relatively warm day, but with widespread light to moderate rain with greatest rain amounts over the north. Much colder weather prevailed over the weekend with light rain scattered over the southeast on Saturday (30th) while Sunday (31st) was dry. Temperature extremes varied from Wednesday afternoon highs of 86 degrees at Spencer, Okoboji Lake and Emmetsburg, while Elkader reported a low of 40 degrees on Sunday (31st) morning. Temperatures for the week as a whole averaged 0.5 degrees above normal for the statewide average with readings averaging just below normal over the western one-third of the state to a degree or two above normal over the east. Rainfall totals varied from only 0.19 inches at Holstein to 4.68 inches just east of Denison, where a narrow band of thunderstorms dumped heavy rain on Monday night. The statewide average precipitation was 1.10 inches, or just slightly above the weekly normal of 1.07 inches.