Viewing Station: IL-CK-384 : Chicago 3.6 NNW
Apr 1, 2022 - Nov 20, 2025984 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.41"
November 1-20, 2025(20 of 20 days covered by obs)
NOAA Normal
1.68"
Departure from Normal
-0.27" : 84% of Normal
Year-To-Date: 32.34"
Jan 1 to Nov 20, 2025(322 of 324 days covered by obs)
NOAA Normal
34.44"
Departure from Normal
-2.10" : 94% of Normal
Water Year-To-Date: 5.55"
Oct 1, 2025 to Nov 20, 2025(51 of 51 days covered by obs)
NOAA Normal
5.10"
Departure from Normal
0.45" : 109% 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