August was cool and dry for most of Illinois. The statewide average temperature was 70.6 degrees, 3 degrees below normal, and the 12th coolest August on record. This followed June and July which were both slightly above normal. The warmest daily reading in Illinois for August was 96 degrees, reported at Effingham on the 21st. The coolest daily reading in Illinois was 42 degrees, reported at Shabbona (DeKalb County) on the 25th.