Viewing Station: IL-CK-152 : Chicago Ridge 0.2 WSW
Oct 25, 2009 - Dec 20, 20255,527 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 0.63"
December 1-20, 2025(15 of 20 days covered by obs)
NOAA Normal
1.37"
Departure from Normal
-0.74" : 46% of Normal
Year-To-Date: 34.10"
Jan 1 to Dec 20, 2025(315 of 354 days covered by obs)
NOAA Normal
37.48"
Departure from Normal
-3.38" : 91% of Normal
Water Year-To-Date: 4.76"
Oct 1, 2025 to Dec 20, 2025(67 of 81 days covered by obs)
NOAA Normal
7.45"
Departure from Normal
-2.69" : 64% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.08
2.20
-0.12
Feb
1.85
1.99
-0.14
Mar
2.38
2.37
0.01
Apr
3.81
3.88
-0.07
May
4.46
4.57
-0.11
Jun
4.34
4.31
0.03
Jul
3.82
3.98
-0.16
Aug
4.02
4.05
-0.03
Sep
3.27
3.26
0.01
Oct
3.49
3.44
0.05
Nov
2.59
2.61
-0.02
Dec
2.12
2.29
-0.17
38.23
38.95
-0.72