Viewing Station: IL-WL-178 : Mokena 2.1 SW
Mar 20, 2022 - Dec 22, 20251,153 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.73"
December 1-22, 2025(22 of 22 days covered by obs)
NOAA Normal
1.55"
Departure from Normal
-0.82" : 47% of Normal
Year-To-Date: 36.14"
Jan 1 to Dec 22, 2025(320 of 356 days covered by obs)
NOAA Normal
38.58"
Departure from Normal
-2.44" : 94% of Normal
Water Year-To-Date: 4.81"
Oct 1, 2025 to Dec 22, 2025(52 of 83 days covered by obs)
NOAA Normal
7.60"
Departure from Normal
-2.79" : 63% 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