Viewing Station: IL-CK-306 : Oak Forest 0.6 N
Mar 29, 2018 - Nov 20, 20252,727 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.17"
November 1-20, 2025(17 of 20 days covered by obs)
NOAA Normal
1.77"
Departure from Normal
-0.60" : 66% of Normal
Year-To-Date: 36.83"
Jan 1 to Nov 20, 2025(321 of 324 days covered by obs)
NOAA Normal
35.98"
Departure from Normal
0.85" : 102% of Normal
Water Year-To-Date: 3.86"
Oct 1, 2025 to Nov 20, 2025(48 of 51 days covered by obs)
NOAA Normal
5.24"
Departure from Normal
-1.38" : 74% 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