Viewing Station: IL-CK-173 : Palos Park 3.6 WNW
Nov 21, 2010 - Oct 30, 20253,814 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.63"
October 1-31, 2025(27 of 31 days covered by obs)
NOAA Normal
3.55"
Departure from Normal
-0.92" : 74% of Normal
Year-To-Date: 26.44"
Jan 1 to Oct 31, 2025(250 of 304 days covered by obs)
NOAA Normal
34.22"
Departure from Normal
-7.78" : 77% of Normal
Water Year-To-Date: 2.63"
Oct 1, 2025 to Oct 31, 2025(27 of 31 days covered by obs)
NOAA Normal
3.55"
Departure from Normal
-0.92" : 74% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.10
2.21
-0.11
Feb
1.88
2.00
-0.12
Mar
2.45
2.38
0.07
Apr
3.91
3.92
-0.01
May
4.60
4.71
-0.11
Jun
4.42
4.41
0.01
Jul
3.87
4.07
-0.20
Aug
4.11
4.07
0.04
Sep
3.33
3.27
0.06
Oct
3.55
3.50
0.05
Nov
2.63
2.60
0.03
Dec
2.19
2.26
-0.07
39.04
39.40
-0.36