Viewing Station: IL-CK-149 : Oak Lawn 0.5 SSW
Nov 1, 2009 - Dec 14, 20255,562 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 0.69"
December 1-16, 2025(14 of 16 days covered by obs)
NOAA Normal
1.08"
Departure from Normal
-0.39" : 64% of Normal
Year-To-Date: 37.82"
Jan 1 to Dec 16, 2025(348 of 350 days covered by obs)
NOAA Normal
36.86"
Departure from Normal
0.96" : 103% of Normal
Water Year-To-Date: 5.75"
Oct 1, 2025 to Dec 16, 2025(75 of 77 days covered by obs)
NOAA Normal
7.14"
Departure from Normal
-1.39" : 81% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.03
2.19
-0.16
Feb
1.81
1.99
-0.18
Mar
2.36
2.37
-0.01
Apr
3.81
3.86
-0.05
May
4.43
4.51
-0.08
Jun
4.26
4.29
-0.03
Jul
3.71
3.95
-0.24
Aug
4.06
4.03
0.03
Sep
3.25
3.26
-0.01
Oct
3.50
3.44
0.06
Nov
2.56
2.61
-0.05
Dec
2.09
2.28
-0.19
37.87
38.78
-0.91