Viewing Station: IL-LK-18 : Grayslake 0.7 WSW
Feb 18, 2007 - Nov 7, 20251,422 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.25"
November 1-8, 2025(3 of 8 days covered by obs)
NOAA Normal
0.65"
Departure from Normal
-0.40" : 38% of Normal
Year-To-Date: 22.62"
Jan 1 to Nov 8, 2025(198 of 312 days covered by obs)
NOAA Normal
32.76"
Departure from Normal
-10.14" : 69% of Normal
Water Year-To-Date: 2.90"
Oct 1, 2025 to Nov 8, 2025(33 of 39 days covered by obs)
NOAA Normal
3.82"
Departure from Normal
-0.92" : 76% 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