Viewing Station: IL-IR-22 : Chebanse 1.6 SW
May 5, 2018 - Sep 18, 2026517 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.93"
September 1-18, 2026(3 of 18 days covered by obs)
NOAA Normal
1.85"
Departure from Normal
0.08" : 104% of Normal
Year-To-Date: 20.00"
Jan 1 to Sep 18, 2026(43 of 261 days covered by obs)
NOAA Normal
29.15"
Departure from Normal
-9.15" : 69% of Normal
Water Year-To-Date: 21.81"
Oct 1, 2025 to Sep 18, 2026(49 of 353 days covered by obs)
NOAA Normal
37.09"
Departure from Normal
-15.28" : 59% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.23
2.16
0.07
Feb
1.81
1.85
-0.04
Mar
2.37
2.40
-0.03
Apr
3.69
3.58
0.11
May
4.38
4.36
0.02
Jun
4.77
4.77
0.00
Jul
4.33
4.32
0.01
Aug
3.72
3.64
0.08
Sep
3.08
3.21
-0.13
Oct
3.21
3.24
-0.03
Nov
2.63
2.62
0.01
Dec
2.10
2.15
-0.05
38.32
38.30
0.02