Viewing Station: IL-RI-22 : Illinois City 6.7 SW
Jun 1, 2018 - Sep 18, 20251,142 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.10"
September 1-18, 2025(18 of 18 days covered by obs)
NOAA Normal
2.13"
Departure from Normal
-2.03" : 5% of Normal
Year-To-Date: 29.25"
Jan 1 to Sep 18, 2025(206 of 261 days covered by obs)
NOAA Normal
28.97"
Departure from Normal
0.28" : 101% of Normal
Water Year-To-Date: 33.39"
Oct 1, 2024 to Sep 18, 2025(267 of 353 days covered by obs)
NOAA Normal
35.80"
Departure from Normal
-2.41" : 93% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.34
1.35
-0.01
Feb
1.62
1.65
-0.03
Mar
2.34
2.38
-0.04
Apr
3.60
3.55
0.05
May
4.81
4.86
-0.05
Jun
5.04
4.98
0.06
Jul
4.12
3.92
0.20
Aug
3.97
3.93
0.04
Sep
3.55
3.52
0.03
Oct
2.84
2.80
0.04
Nov
2.19
2.17
0.02
Dec
1.80
1.83
-0.03
37.22
36.94
0.28