Viewing Station: IL-CK-148 : Oak Lawn 1.9 SE
Oct 26, 2009 - Jan 4, 20264,353 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.02"
January 1-9, 2026(4 of 9 days covered by obs)
NOAA Normal
0.61"
Departure from Normal
-0.59" : 3% of Normal
Year-To-Date: 0.02"
Jan 1 to Jan 9, 2026(4 of 9 days covered by obs)
NOAA Normal
0.61"
Departure from Normal
-0.59" : 3% of Normal
Water Year-To-Date: 7.27"
Oct 1, 2025 to Jan 9, 2026(95 of 101 days covered by obs)
NOAA Normal
8.82"
Departure from Normal
-1.55" : 82% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.11
2.19
-0.08
Feb
1.85
1.99
-0.14
Mar
2.37
2.37
0.00
Apr
3.82
3.84
-0.02
May
4.43
4.50
-0.07
Jun
4.33
4.27
0.06
Jul
3.80
4.01
-0.21
Aug
4.02
4.04
-0.02
Sep
3.30
3.27
0.03
Oct
3.47
3.46
0.01
Nov
2.61
2.63
-0.02
Dec
2.13
2.27
-0.14
38.24
38.84
-0.60