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The largest monthly total in the state was
15.90 inches of precipitation in Glen Ellyn. Seven other sites
in northeast Illinois reported more than 1 foot of precipitation
in October.
Several weather monitoring sites in northern and central
Illinois reported seeing snow on October 28, although only
flurries occurred in most areas. However, one station, New Lenox
in Will County, reported 0.1 inches of snow.
The statewide average temperature for October in Illinois was
57.7 degrees, 3.3 degrees above normal and the 21st warmest
October since 1895. The first 21 days of October were about 7
degrees above normal, and the last 10 days were 7 degrees below
normal.
In many areas of the state, temperatures fell below freezing for
the first time this fall. The coldest temperature in the state
was 19 degrees at Perry, IL, on October 29.
[Lisa A. Sheppard]
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.
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