Viewing Station: IL-CK-50 : Palos Park 1.3 SW
Mar 18, 2007 - May 29, 20254,883 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.47"
May 1-30, 2025(29 of 30 days covered by obs)
NOAA Normal
4.39"
Departure from Normal
-2.92" : 33% of Normal
Year-To-Date: 11.07"
Jan 1 to May 30, 2025(148 of 150 days covered by obs)
NOAA Normal
14.71"
Departure from Normal
-3.64" : 75% of Normal
Water Year-To-Date: 17.90"
Oct 1, 2024 to May 30, 2025(240 of 242 days covered by obs)
NOAA Normal
23.02"
Departure from Normal
-5.12" : 78% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.14
2.20
-0.06
Feb
1.90
1.99
-0.09
Mar
2.43
2.38
0.05
Apr
3.85
3.90
-0.05
May
4.54
4.67
-0.13
Jun
4.42
4.36
0.06
Jul
3.99
4.11
-0.12
Aug
4.05
4.08
-0.03
Sep
3.36
3.28
0.08
Oct
3.48
3.48
0.00
Nov
2.65
2.61
0.04
Dec
2.18
2.26
-0.08
38.99
39.32
-0.33