Viewing Station: IL-CK-306 : Oak Forest 0.6 N
Mar 29, 2018 - Jul 26, 20252,615 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.08"
July 1-26, 2025(26 of 26 days covered by obs)
NOAA Normal
3.44"
Departure from Normal
-0.36" : 90% of Normal
Year-To-Date: 20.07"
Jan 1 to Jul 26, 2025(207 of 207 days covered by obs)
NOAA Normal
22.67"
Departure from Normal
-2.60" : 89% of Normal
Water Year-To-Date: 27.29"
Oct 1, 2024 to Jul 26, 2025(299 of 299 days covered by obs)
NOAA Normal
30.98"
Departure from Normal
-3.69" : 88% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.16
2.20
-0.04
Feb
1.91
1.99
-0.08
Mar
2.43
2.40
0.03
Apr
3.84
3.83
0.01
May
4.49
4.54
-0.05
Jun
4.40
4.35
0.05
Jul
4.10
4.21
-0.11
Aug
4.05
4.06
-0.01
Sep
3.36
3.29
0.07
Oct
3.47
3.47
0.00
Nov
2.66
2.67
-0.01
Dec
2.18
2.25
-0.07
39.05
39.26
-0.21