Viewing Station: IL-LK-18 : Grayslake 0.7 WSW
Feb 18, 2007 - Jul 20, 20251,338 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
August 1-1, 2025(0 of 1 days covered by obs)
NOAA Normal
0.12"
Departure from Normal
-0.12" : 0% of Normal
Year-To-Date: 15.09"
Jan 1 to Aug 1, 2025(103 of 213 days covered by obs)
NOAA Normal
21.89"
Departure from Normal
-6.80" : 69% of Normal
Water Year-To-Date: 15.11"
Oct 1, 2024 to Aug 1, 2025(104 of 305 days covered by obs)
NOAA Normal
29.49"
Departure from Normal
-14.38" : 51% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.84
1.91
-0.07
Feb
1.73
1.89
-0.16
Mar
2.23
2.30
-0.07
Apr
3.81
3.79
0.02
May
4.16
4.35
-0.19
Jun
4.43
4.43
0.00
Jul
3.57
3.71
-0.14
Aug
3.71
3.64
0.07
Sep
3.46
3.50
-0.04
Oct
3.17
3.16
0.01
Nov
2.45
2.39
0.06
Dec
1.98
2.10
-0.12
36.54
37.17
-0.63