Viewing Station: IL-HY-4 : Atkinson 2.6 NNE
Aug 21, 2007 - Oct 31, 20255,691 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.40"
October 1-31, 2025(31 of 31 days covered by obs)
NOAA Normal
2.82"
Departure from Normal
-0.42" : 85% of Normal
Year-To-Date: 23.53"
Jan 1 to Oct 31, 2025(298 of 304 days covered by obs)
NOAA Normal
33.30"
Departure from Normal
-9.77" : 71% of Normal
Water Year-To-Date: 2.40"
Oct 1, 2025 to Oct 31, 2025(31 of 31 days covered by obs)
NOAA Normal
2.82"
Departure from Normal
-0.42" : 85% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.69
1.68
0.01
Feb
1.78
1.83
-0.05
Mar
2.47
2.43
0.04
Apr
3.78
3.73
0.05
May
4.83
4.86
-0.03
Jun
4.71
4.69
0.02
Jul
3.94
4.02
-0.08
Aug
3.82
3.95
-0.13
Sep
3.46
3.53
-0.07
Oct
2.82
2.93
-0.11
Nov
2.45
2.42
0.03
Dec
2.05
2.04
0.01
37.80
38.11
-0.31