Viewing Station: IL-GY-40 : Channahon 3.3 WSW
Jun 4, 2025 - Oct 31, 2025146 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.73"
October 1-31, 2025(31 of 31 days covered by obs)
NOAA Normal
3.12"
Departure from Normal
-1.39" : 55% of Normal
Year-To-Date: 17.39"
Jan 1 to Oct 31, 2025(148 of 304 days covered by obs)
NOAA Normal
33.00"
Departure from Normal
-15.61" : 53% of Normal
Water Year-To-Date: 1.73"
Oct 1, 2025 to Oct 31, 2025(31 of 31 days covered by obs)
NOAA Normal
3.12"
Departure from Normal
-1.39" : 55% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.05
2.07
-0.02
Feb
1.71
1.82
-0.11
Mar
2.30
2.30
0.00
Apr
3.67
3.67
0.00
May
4.66
4.50
0.16
Jun
4.37
4.52
-0.15
Jul
3.99
4.13
-0.14
Aug
3.87
3.72
0.15
Sep
3.26
3.24
0.02
Oct
3.12
3.09
0.03
Nov
2.47
2.46
0.01
Dec
2.01
2.06
-0.05
37.48
37.58
-0.10