Illinois Weather Trivia for July 31st
- July of 1990 finished with 9.18 inches of rain in Peoria. This stood as the city's July record rainfall for just three years, until 1993.
- Prolonged periods of below normal temperatures persisted over much of the Midwest during the month. This resulted in new records for the coolest July being established at Decatur, Effingham, Lincoln, Olney, and Urbana.
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