Viewing Station: IL-CK-464 : Oak Park 1.5 S
Mar 31, 2026 - Jul 9, 202686 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.51"
July 1-9, 2026(8 of 9 days covered by obs)
NOAA Normal
1.07"
Departure from Normal
2.44" : 329% of Normal
Year-To-Date: 17.80"
Jan 1 to Jul 9, 2026(86 of 190 days covered by obs)
NOAA Normal
19.68"
Departure from Normal
-1.88" : 90% of Normal
Water Year-To-Date: 17.80"
Oct 1, 2025 to Jul 9, 2026(86 of 282 days covered by obs)
NOAA Normal
27.71"
Departure from Normal
-9.91" : 64% 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
2.33
-0.04
Apr
3.78
3.88
-0.10
May
4.50
4.53
-0.03
Jun
4.27
4.36
-0.09
Jul
3.68
3.78
-0.10
Aug
3.99
4.01
-0.02
Sep
3.26
3.22
0.04
Oct
3.44
3.56
-0.12
Nov
2.50
2.67
-0.17
Dec
2.09
2.26
-0.17
37.57
38.76
-1.19