Viewing Station: IL-KN-134 : Maple Park 3.9 S
Jul 4, 2021 - Sep 21, 20261,904 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 6.74"
September 1-21, 2026(21 of 21 days covered by obs)
NOAA Normal
2.42"
Departure from Normal
4.32" : 279% of Normal
Year-To-Date: 37.97"
Jan 1 to Sep 21, 2026(264 of 264 days covered by obs)
NOAA Normal
28.86"
Departure from Normal
9.11" : 132% of Normal
Water Year-To-Date: 44.43"
Oct 1, 2025 to Sep 21, 2026(356 of 356 days covered by obs)
NOAA Normal
36.46"
Departure from Normal
7.98" : 122% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.76
1.78
-0.02
Feb
1.69
1.79
-0.10
Mar
2.22
2.26
-0.04
Apr
3.64
3.60
0.04
May
4.71
4.69
0.02
Jun
4.55
4.38
0.17
Jul
3.90
3.73
0.17
Aug
3.98
3.80
0.18
Sep
3.45
3.34
0.11
Oct
3.14
3.16
-0.02
Nov
2.48
2.41
0.07
Dec
1.97
2.05
-0.08
37.49
36.99
0.50