Viewing Station: IL-WL-67 : Channahon 2.5 SSE
Mar 30, 2010 - Dec 19, 20254,871 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.61"
December 1-20, 2025(19 of 20 days covered by obs)
NOAA Normal
1.32"
Departure from Normal
-0.71" : 46% of Normal
Year-To-Date: 29.25"
Jan 1 to Dec 20, 2025(353 of 354 days covered by obs)
NOAA Normal
37.17"
Departure from Normal
-7.92" : 79% of Normal
Water Year-To-Date: 4.75"
Oct 1, 2025 to Dec 20, 2025(80 of 81 days covered by obs)
NOAA Normal
7.03"
Departure from Normal
-2.28" : 68% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.05
2.08
-0.03
Feb
1.73
1.83
-0.10
Mar
2.33
2.30
0.03
Apr
3.70
3.68
0.02
May
4.68
4.50
0.18
Jun
4.39
4.50
-0.11
Jul
4.10
4.15
-0.05
Aug
3.87
3.74
0.13
Sep
3.29
3.24
0.05
Oct
3.19
3.11
0.08
Nov
2.52
2.47
0.05
Dec
2.05
2.06
-0.01
37.90
37.66
0.24