Viewing Station: IL-CK-426 : Oak Park 1.0 SSE
May 26, 2024 - Aug 24, 2026780 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 6.03"
August 1-24, 2026(24 of 24 days covered by obs)
NOAA Normal
3.09"
Departure from Normal
2.94" : 195% of Normal
Year-To-Date: 33.43"
Jan 1 to Aug 24, 2026(234 of 236 days covered by obs)
NOAA Normal
25.38"
Departure from Normal
8.05" : 132% of Normal
Water Year-To-Date: 40.16"
Oct 1, 2025 to Aug 24, 2026(325 of 328 days covered by obs)
NOAA Normal
33.41"
Departure from Normal
6.75" : 120% 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