Viewing Station: IL-CK-149 : Oak Lawn 0.5 SSW
Nov 1, 2009 - Nov 20, 20255,538 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.25"
November 1-20, 2025(20 of 20 days covered by obs)
NOAA Normal
1.71"
Departure from Normal
-0.46" : 73% of Normal
Year-To-Date: 36.11"
Jan 1 to Nov 20, 2025(324 of 324 days covered by obs)
NOAA Normal
34.93"
Departure from Normal
1.18" : 103% of Normal
Water Year-To-Date: 4.04"
Oct 1, 2025 to Nov 20, 2025(51 of 51 days covered by obs)
NOAA Normal
5.21"
Departure from Normal
-1.17" : 78% 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