Viewing Station: IL-CK-278 : Hoffman Estates 1.6 SE
Apr 5, 2016 - Oct 31, 20253,478 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.09"
October 1-31, 2025(31 of 31 days covered by obs)
NOAA Normal
3.27"
Departure from Normal
-1.18" : 64% of Normal
Year-To-Date: 23.59"
Jan 1 to Oct 31, 2025(304 of 304 days covered by obs)
NOAA Normal
33.36"
Departure from Normal
-9.77" : 71% of Normal
Water Year-To-Date: 2.09"
Oct 1, 2025 to Oct 31, 2025(31 of 31 days covered by obs)
NOAA Normal
3.27"
Departure from Normal
-1.18" : 64% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.83
1.97
-0.14
Feb
1.77
1.87
-0.10
Mar
2.29
2.24
0.05
Apr
3.78
3.74
0.04
May
4.63
4.79
-0.16
Jun
4.59
4.44
0.15
Jul
3.85
3.71
0.14
Aug
3.92
4.12
-0.20
Sep
3.43
3.41
0.02
Oct
3.27
3.31
-0.04
Nov
2.42
2.47
-0.05
Dec
2.08
2.12
-0.04
37.86
38.19
-0.33