Viewing Station: IL-CK-458 : Chicago 3.3 S
Oct 13, 2025 - Dec 12, 202547 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 0.42"
December 1-16, 2025(12 of 16 days covered by obs)
NOAA Normal
1.06"
Departure from Normal
-0.64" : 40% of Normal
Year-To-Date: 3.07"
Jan 1 to Dec 16, 2025(58 of 350 days covered by obs)
NOAA Normal
36.23"
Departure from Normal
-33.16" : 8% of Normal
Water Year-To-Date: 3.07"
Oct 1, 2025 to Dec 16, 2025(58 of 77 days covered by obs)
NOAA Normal
7.06"
Departure from Normal
-3.99" : 43% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.00
2.38
-0.38
Feb
1.77
2.11
-0.34
Mar
2.27
2.30
-0.03
Apr
3.74
3.80
-0.06
May
4.34
4.49
-0.15
Jun
4.11
4.52
-0.41
Jul
3.60
4.01
-0.41
Aug
4.09
4.11
-0.02
Sep
3.25
3.35
-0.10
Oct
3.49
3.86
-0.37
Nov
2.51
2.66
-0.15
Dec
2.06
2.44
-0.38
37.23
40.03
-2.80