Viewing Station: IL-CK-98 : La Grange Park 0.7 SSW
Mar 31, 2008 - Dec 16, 20255,870 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.68"
December 1-17, 2025(16 of 17 days covered by obs)
NOAA Normal
1.17"
Departure from Normal
-0.49" : 58% of Normal
Year-To-Date: 35.39"
Jan 1 to Dec 17, 2025(350 of 351 days covered by obs)
NOAA Normal
37.23"
Departure from Normal
-1.84" : 95% of Normal
Water Year-To-Date: 5.51"
Oct 1, 2025 to Dec 17, 2025(77 of 78 days covered by obs)
NOAA Normal
7.18"
Departure from Normal
-1.67" : 77% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.99
2.18
-0.19
Feb
1.83
2.00
-0.17
Mar
2.36
2.34
0.02
Apr
3.83
3.90
-0.07
May
4.62
4.63
-0.01
Jun
4.38
4.38
0.00
Jul
3.73
3.81
-0.08
Aug
4.03
4.04
-0.01
Sep
3.28
3.23
0.05
Oct
3.48
3.50
-0.02
Nov
2.53
2.65
-0.12
Dec
2.13
2.25
-0.12
38.19
38.91
-0.72