Viewing Station: IL-CK-320 : Park Forest 0.7 WNW
Dec 8, 2019 - Dec 25, 20252,004 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.27"
December 1-26, 2025(22 of 26 days covered by obs)
NOAA Normal
1.85"
Departure from Normal
-1.58" : 15% of Normal
Year-To-Date: 26.49"
Jan 1 to Dec 26, 2025(322 of 360 days covered by obs)
NOAA Normal
39.11"
Departure from Normal
-12.62" : 68% of Normal
Water Year-To-Date: 4.50"
Oct 1, 2025 to Dec 26, 2025(73 of 87 days covered by obs)
NOAA Normal
7.94"
Departure from Normal
-3.44" : 57% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.26
2.27
-0.01
Feb
1.95
2.02
-0.07
Mar
2.40
2.43
-0.03
Apr
3.78
3.79
-0.01
May
4.38
4.55
-0.17
Jun
4.53
4.62
-0.09
Jul
4.39
4.45
-0.06
Aug
4.04
4.06
-0.02
Sep
3.44
3.36
0.08
Oct
3.39
3.51
-0.12
Nov
2.70
2.77
-0.07
Dec
2.20
2.26
-0.06
39.46
40.09
-0.63