Viewing Station: IL-CK-424 : Tinley Park 1.1 ESE
Apr 19, 2024 - Sep 10, 2025396 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.17"
September 1-10, 2025(10 of 10 days covered by obs)
NOAA Normal
1.12"
Departure from Normal
-0.95" : 15% of Normal
Year-To-Date: 29.84"
Jan 1 to Sep 10, 2025(253 of 253 days covered by obs)
NOAA Normal
28.62"
Departure from Normal
1.22" : 104% of Normal
Water Year-To-Date: 36.78"
Oct 1, 2024 to Sep 10, 2025(345 of 345 days covered by obs)
NOAA Normal
36.94"
Departure from Normal
-0.16" : 100% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.19
2.21
-0.02
Feb
1.94
1.99
-0.05
Mar
2.43
2.40
0.03
Apr
3.81
3.82
-0.01
May
4.50
4.58
-0.08
Jun
4.49
4.46
0.03
Jul
4.15
4.31
-0.16
Aug
3.99
4.04
-0.05
Sep
3.37
3.32
0.05
Oct
3.44
3.46
-0.02
Nov
2.68
2.68
0.00
Dec
2.20
2.23
-0.03
39.19
39.50
-0.31