Viewing Station: IL-CK-426 : Oak Park 1.0 SSE
May 26, 2024 - Dec 25, 2025540 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.81"
December 1-25, 2025(24 of 25 days covered by obs)
NOAA Normal
1.69"
Departure from Normal
-0.88" : 48% of Normal
Year-To-Date: 31.48"
Jan 1 to Dec 25, 2025(357 of 359 days covered by obs)
NOAA Normal
37.17"
Departure from Normal
-5.69" : 85% of Normal
Water Year-To-Date: 5.44"
Oct 1, 2025 to Dec 25, 2025(85 of 86 days covered by obs)
NOAA Normal
7.63"
Departure from Normal
-2.19" : 71% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.98
2.17
-0.19
Feb
1.79
1.99
-0.20
Mar
2.29
2.32
-0.03
Apr
3.78
3.88
-0.10
May
4.50
4.53
-0.03
Jun
4.27
4.36
-0.09
Jul
3.68
3.77
-0.09
Aug
3.99
4.01
-0.02
Sep
3.26
3.22
0.04
Oct
3.44
3.58
-0.14
Nov
2.50
2.68
-0.18
Dec
2.09
2.26
-0.17
37.57
38.77
-1.20