Viewing Station: IL-CK-359 : Chicago 5.5 NNW
Apr 10, 2021 - Nov 4, 20251,542 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.09"
November 1-4, 2025(4 of 4 days covered by obs)
NOAA Normal
0.33"
Departure from Normal
-0.24" : 27% of Normal
Year-To-Date: 28.63"
Jan 1 to Nov 4, 2025(308 of 308 days covered by obs)
NOAA Normal
33.13"
Departure from Normal
-4.50" : 86% of Normal
Water Year-To-Date: 3.03"
Oct 1, 2025 to Nov 4, 2025(35 of 35 days covered by obs)
NOAA Normal
3.73"
Departure from Normal
-0.70" : 81% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.99
2.18
-0.19
Feb
1.83
2.07
-0.24
Mar
2.25
2.26
-0.01
Apr
3.75
3.79
-0.04
May
4.46
4.57
-0.11
Jun
4.28
4.43
-0.15
Jul
3.69
3.77
-0.08
Aug
3.86
3.90
-0.04
Sep
3.29
3.29
0.00
Oct
3.40
3.67
-0.27
Nov
2.50
2.65
-0.15
Dec
2.10
2.30
-0.20
37.40
38.88
-1.48