Viewing Station: IL-WL-42 : Mokena 1.3 W
Apr 7, 2008 - May 29, 20252,820 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.52"
May 1-30, 2025(29 of 30 days covered by obs)
NOAA Normal
4.41"
Departure from Normal
-2.89" : 34% of Normal
Year-To-Date: 12.13"
Jan 1 to May 30, 2025(148 of 150 days covered by obs)
NOAA Normal
14.67"
Departure from Normal
-2.54" : 83% of Normal
Water Year-To-Date: 18.47"
Oct 1, 2024 to May 30, 2025(240 of 242 days covered by obs)
NOAA Normal
22.91"
Departure from Normal
-4.44" : 81% 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
2.35
0.07
Apr
3.81
3.80
0.01
May
4.56
4.61
-0.05
Jun
4.49
4.43
0.06
Jul
4.23
4.34
-0.11
Aug
4.03
3.98
0.05
Sep
3.41
3.35
0.06
Oct
3.40
3.38
0.02
Nov
2.65
2.61
0.04
Dec
2.19
2.17
0.02
39.22
39.13
0.09