Viewing Station: IL-RI-22 : Illinois City 6.7 SW
Jun 1, 2018 - Sep 26, 20261,228 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.70"
September 1-26, 2026(14 of 26 days covered by obs)
NOAA Normal
3.08"
Departure from Normal
1.62" : 153% of Normal
Year-To-Date: 4.70"
Jan 1 to Sep 26, 2026(14 of 269 days covered by obs)
NOAA Normal
29.92"
Departure from Normal
-25.22" : 16% of Normal
Water Year-To-Date: 8.27"
Oct 1, 2025 to Sep 26, 2026(74 of 361 days covered by obs)
NOAA Normal
36.75"
Departure from Normal
-28.48" : 23% 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