The coldest spot for the month was Paw Paw with 32 degrees on Sept.
15. Also on that day, the temperature at Stockton and Marengo dipped
down to 34 degrees. Twenty-two weather stations either set or broke
daily records for low temperatures. Although September was a cool
month on average, it began with a burst of heat on Labor Day
weekend. Highs reached the upper 90s and 100s. The highest
temperature was recorded at Quincy with 104 degrees on Sept.
1. Jacksonville reached 103 degrees on Sept. 2. In all, at least 65
weather stations in Illinois either tied or broke daily records for
high temperatures in early September.
Precipitation was normal for the month. The average precipitation
in September was 3.53 inches, 0.34 inches above average. Rainfall
was stubbornly sparse in the areas hardest hit by drought, where
only 1 to 2 inches were common. Amounts in far southern and northern
Illinois were much wetter at 4 to 8 inches.
___
The Illinois State Water Survey at the University of Illinois at
Urbana-Champaign, a division of the Prairie Research Institute, is
the primary agency in Illinois concerned with water and atmospheric
resources.
[Text from file received from
the Illinois
State Water Survey]
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