Viewing Station: IL-CK-414 : Hoffman Estates 2.5 NNE
Feb 1, 2024 - Sep 26, 2026526 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.18"
September 1-27, 2026(15 of 27 days covered by obs)
NOAA Normal
3.11"
Departure from Normal
0.07" : 102% of Normal
Year-To-Date: 30.47"
Jan 1 to Sep 27, 2026(159 of 270 days covered by obs)
NOAA Normal
29.86"
Departure from Normal
0.61" : 102% of Normal
Water Year-To-Date: 34.81"
Oct 1, 2025 to Sep 27, 2026(193 of 362 days covered by obs)
NOAA Normal
37.64"
Departure from Normal
-2.83" : 92% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.85
1.95
-0.10
Feb
1.77
1.88
-0.11
Mar
2.27
2.24
0.03
Apr
3.80
3.73
0.07
May
4.58
4.82
-0.24
Jun
4.63
4.48
0.15
Jul
3.94
3.73
0.21
Aug
3.91
4.14
-0.23
Sep
3.45
3.44
0.01
Oct
3.25
3.29
-0.04
Nov
2.44
2.44
0.00
Dec
2.09
2.12
-0.03
37.98
38.26
-0.28