Viewing Station: IL-CK-50 : Palos Park 1.3 SW
Mar 18, 2007 - Dec 22, 20255,091 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.89"
December 1-22, 2025(22 of 22 days covered by obs)
NOAA Normal
1.55"
Departure from Normal
-0.66" : 58% of Normal
Year-To-Date: 31.49"
Jan 1 to Dec 22, 2025(356 of 356 days covered by obs)
NOAA Normal
38.36"
Departure from Normal
-6.87" : 82% of Normal
Water Year-To-Date: 5.27"
Oct 1, 2025 to Dec 22, 2025(83 of 83 days covered by obs)
NOAA Normal
7.68"
Departure from Normal
-2.41" : 69% 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