Viewing Station: IL-CK-211 : Oak Lawn 1.6 WNW
Mar 4, 2013 - Jun 9, 20264,717 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.38"
June 1-10, 2026(9 of 10 days covered by obs)
NOAA Normal
1.42"
Departure from Normal
-0.04" : 97% of Normal
Year-To-Date: 20.20"
Jan 1 to Jun 10, 2026(159 of 161 days covered by obs)
NOAA Normal
15.86"
Departure from Normal
4.34" : 127% of Normal
Water Year-To-Date: 27.35"
Oct 1, 2025 to Jun 10, 2026(251 of 253 days covered by obs)
NOAA Normal
24.01"
Departure from Normal
3.34" : 114% 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