Viewing Station: IL-WL-42 : Mokena 1.3 W
Apr 7, 2008 - Jul 20, 20263,202 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 5.73"
July 1-21, 2026(20 of 21 days covered by obs)
NOAA Normal
2.87"
Departure from Normal
2.86" : 200% of Normal
Year-To-Date: 31.23"
Jan 1 to Jul 21, 2026(198 of 202 days covered by obs)
NOAA Normal
22.18"
Departure from Normal
9.05" : 141% of Normal
Water Year-To-Date: 36.80"
Oct 1, 2025 to Jul 21, 2026(288 of 294 days covered by obs)
NOAA Normal
30.42"
Departure from Normal
6.38" : 121% 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