Viewing Station: IL-MA-34 : Illiopolis 4.4 NNE
Apr 10, 2022 - Oct 31, 20251,288 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.46"
October 1-31, 2025(31 of 31 days covered by obs)
NOAA Normal
3.27"
Departure from Normal
-1.81" : 45% of Normal
Year-To-Date: 24.82"
Jan 1 to Oct 31, 2025(304 of 304 days covered by obs)
NOAA Normal
33.56"
Departure from Normal
-8.74" : 74% of Normal
Water Year-To-Date: 1.46"
Oct 1, 2025 to Oct 31, 2025(31 of 31 days covered by obs)
NOAA Normal
3.27"
Departure from Normal
-1.81" : 45% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.22
2.19
0.03
Feb
2.01
2.02
-0.01
Mar
2.75
2.70
0.05
Apr
4.07
4.03
0.04
May
4.51
4.48
0.03
Jun
4.33
4.41
-0.08
Jul
4.00
3.98
0.02
Aug
3.37
3.26
0.11
Sep
3.03
3.04
-0.01
Oct
3.27
3.27
0.00
Nov
3.02
2.94
0.08
Dec
2.27
2.24
0.03
38.85
38.56
0.29