Viewing Station: IL-WL-178 : Mokena 2.1 SW
Mar 20, 2022 - Jan 15, 20261,166 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.27"
January 1-15, 2026(8 of 15 days covered by obs)
NOAA Normal
1.04"
Departure from Normal
0.23" : 123% of Normal
Year-To-Date: 1.27"
Jan 1 to Jan 15, 2026(8 of 15 days covered by obs)
NOAA Normal
1.04"
Departure from Normal
0.23" : 123% of Normal
Water Year-To-Date: 7.65"
Oct 1, 2025 to Jan 15, 2026(65 of 107 days covered by obs)
NOAA Normal
9.28"
Departure from Normal
-1.63" : 82% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.14
2.15
-0.01
Feb
1.89
1.96
-0.07
Mar
2.42
2.34
0.08
Apr
3.81
3.78
0.03
May
4.56
4.58
-0.02
Jun
4.49
4.45
0.04
Jul
4.23
4.39
-0.16
Aug
4.03
3.97
0.06
Sep
3.41
3.37
0.04
Oct
3.40
3.36
0.04
Nov
2.65
2.62
0.03
Dec
2.19
2.16
0.03
39.22
39.13
0.09