Written by Theresa Rose on September 14, 2016

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


Iowa recorded its wettest week of the year with two statewide rain events. The largest rain event of the week occurred between Tuesday (6th) night and Thursday (8th) morning with heaviest rains occurring across eastern Iowa with 5.42 inches at Bluffton (Winneshiek Co.) and 4.54 inches at De Witt. The other statewide event came between Friday (9th) morning and Saturday (10th) morning with heaviest rains falling over northeast Iowa where Clarksville picked up 4.26 inches. Additionally rain was widespread over northwest and north central Iowa on Sunday (4th) night into Monday (5th) morning with much of the northwestern corner of the state picking up one to two inches of moisture. Rain totals for the week varied from 0.43 inches at Clarinda to 7.71 inches at Bluffton. The statewide average precipitation was 2.32 inches while normal for the week is 0.84 inches. The statewide average rainfall total has been above normal for nine of the past 12 weeks. Meanwhile temperatures were well above normal from Sunday (4th) through Thursday (8th). A cold front moved across Iowa on Friday (9th) with much cooler weather prevailing over the weekend. Temperature extremes for the week varied from a Tuesday (6th) afternoon high of 94 degrees at Burlington to Sunday (11th) morning lows of 45 degrees at Elkader, Manchester and Stanley. Temperatures for the week as a whole averaged 5.1 degrees above normal.