Viewing Station: IL-CK-149 : Oak Lawn 0.5 SSW
Nov 1, 2009 - Apr 3, 20265,673 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.68"
April 1-3, 2026(3 of 3 days covered by obs)
NOAA Normal
0.38"
Departure from Normal
1.30" : 441% of Normal
Year-To-Date: 10.84"
Jan 1 to Apr 3, 2026(93 of 93 days covered by obs)
NOAA Normal
6.58"
Departure from Normal
4.26" : 165% of Normal
Water Year-To-Date: 18.57"
Oct 1, 2025 to Apr 3, 2026(185 of 185 days covered by obs)
NOAA Normal
14.73"
Departure from Normal
3.84" : 126% 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