Viewing Station: IL-CK-74 : Oak Park 1.3 NNE
Jul 9, 2007 - Mar 7, 20266,439 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.96"
March 1-7, 2026(7 of 7 days covered by obs)
NOAA Normal
0.52"
Departure from Normal
0.44" : 186% of Normal
Year-To-Date: 3.87"
Jan 1 to Mar 7, 2026(66 of 66 days covered by obs)
NOAA Normal
4.30"
Departure from Normal
-0.43" : 90% of Normal
Water Year-To-Date: 11.23"
Oct 1, 2025 to Mar 7, 2026(157 of 158 days covered by obs)
NOAA Normal
12.30"
Departure from Normal
-1.07" : 91% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.97
2.16
-0.19
Feb
1.81
1.98
-0.17
Mar
2.29
2.31
-0.02
Apr
3.76
3.88
-0.12
May
4.47
4.56
-0.09
Jun
4.28
4.35
-0.07
Jul
3.67
3.74
-0.07
Aug
3.95
3.99
-0.04
Sep
3.25
3.23
0.02
Oct
3.43
3.58
-0.15
Nov
2.49
2.67
-0.18
Dec
2.08
2.26
-0.18
37.45
38.71
-1.26