Viewing Station: IL-CK-458 : Chicago 3.3 S
Oct 13, 2025 - Jan 15, 202668 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 2.40"
January 1-15, 2026(15 of 15 days covered by obs)
NOAA Normal
0.97"
Departure from Normal
1.43" : 248% of Normal
Year-To-Date: 2.40"
Jan 1 to Jan 15, 2026(15 of 15 days covered by obs)
NOAA Normal
0.97"
Departure from Normal
1.43" : 248% of Normal
Water Year-To-Date: 6.79"
Oct 1, 2025 to Jan 15, 2026(92 of 107 days covered by obs)
NOAA Normal
9.03"
Departure from Normal
-2.24" : 75% 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