Viewing Station: IL-CK-152 : Chicago Ridge 0.2 WSW
Oct 25, 2009 - Jul 16, 20255,391 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.53"
July 1-16, 2025(14 of 16 days covered by obs)
NOAA Normal
1.97"
Departure from Normal
0.56" : 128% of Normal
Year-To-Date: 20.40"
Jan 1 to Jul 16, 2025(176 of 197 days covered by obs)
NOAA Normal
20.89"
Departure from Normal
-0.49" : 98% of Normal
Water Year-To-Date: 27.51"
Oct 1, 2024 to Jul 16, 2025(266 of 289 days covered by obs)
NOAA Normal
29.09"
Departure from Normal
-1.58" : 95% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.08
2.20
-0.12
Feb
1.85
1.99
-0.14
Mar
2.38
2.37
0.01
Apr
3.81
3.88
-0.07
May
4.46
4.57
-0.11
Jun
4.34
4.31
0.03
Jul
3.82
3.98
-0.16
Aug
4.02
4.05
-0.03
Sep
3.27
3.26
0.01
Oct
3.49
3.44
0.05
Nov
2.59
2.61
-0.02
Dec
2.12
2.29
-0.17
38.23
38.95
-0.72