Viewing Station: IL-CK-211 : Oak Lawn 1.6 WNW
Mar 4, 2013 - Oct 30, 20254,496 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.69"
October 1-31, 2025(30 of 31 days covered by obs)
NOAA Normal
3.50"
Departure from Normal
-0.81" : 77% of Normal
Year-To-Date: 33.25"
Jan 1 to Oct 31, 2025(302 of 304 days covered by obs)
NOAA Normal
33.22"
Departure from Normal
0.03" : 100% of Normal
Water Year-To-Date: 2.69"
Oct 1, 2025 to Oct 31, 2025(30 of 31 days covered by obs)
NOAA Normal
3.50"
Departure from Normal
-0.81" : 77% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.03
2.20
-0.17
Feb
1.81
1.99
-0.18
Mar
2.36
2.36
0.00
Apr
3.81
3.88
-0.07
May
4.43
4.54
-0.11
Jun
4.26
4.32
-0.06
Jul
3.71
3.92
-0.21
Aug
4.06
4.03
0.03
Sep
3.25
3.25
0.00
Oct
3.50
3.42
0.08
Nov
2.56
2.61
-0.05
Dec
2.09
2.29
-0.20
37.87
38.81
-0.94