Viewing Station: IL-CK-384 : Chicago 3.6 NNW
Apr 1, 2022 - Jul 26, 2025897 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.26"
July 1-26, 2025(25 of 26 days covered by obs)
NOAA Normal
3.09"
Departure from Normal
1.17" : 138% of Normal
Year-To-Date: 19.38"
Jan 1 to Jul 26, 2025(206 of 207 days covered by obs)
NOAA Normal
21.58"
Departure from Normal
-2.20" : 90% of Normal
Water Year-To-Date: 26.07"
Oct 1, 2024 to Jul 26, 2025(296 of 299 days covered by obs)
NOAA Normal
29.62"
Departure from Normal
-3.55" : 88% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.01
2.20
-0.19
Feb
1.83
2.06
-0.23
Mar
2.24
2.26
-0.02
Apr
3.73
3.78
-0.05
May
4.45
4.49
-0.04
Jun
4.23
4.47
-0.24
Jul
3.69
3.90
-0.21
Aug
3.89
4.05
-0.16
Sep
3.27
3.31
-0.04
Oct
3.42
3.67
-0.25
Nov
2.52
2.65
-0.13
Dec
2.10
2.31
-0.21
37.38
39.15
-1.77