Viewing Station: IL-CK-149 : Oak Lawn 0.5 SSW
Nov 1, 2009 - Aug 24, 20265,816 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 7.09"
August 1-24, 2026(24 of 24 days covered by obs)
NOAA Normal
3.14"
Departure from Normal
3.95" : 226% of Normal
Year-To-Date: 40.10"
Jan 1 to Aug 24, 2026(236 of 236 days covered by obs)
NOAA Normal
25.55"
Departure from Normal
14.55" : 157% of Normal
Water Year-To-Date: 47.83"
Oct 1, 2025 to Aug 24, 2026(328 of 328 days covered by obs)
NOAA Normal
33.70"
Departure from Normal
14.13" : 142% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.03
2.19
-0.16
Feb
1.81
1.99
-0.18
Mar
2.36
2.37
-0.01
Apr
3.81
3.86
-0.05
May
4.43
4.51
-0.08
Jun
4.26
4.29
-0.03
Jul
3.71
3.95
-0.24
Aug
4.06
4.03
0.03
Sep
3.25
3.26
-0.01
Oct
3.50
3.44
0.06
Nov
2.56
2.61
-0.05
Dec
2.09
2.28
-0.19
37.87
38.78
-0.91