Viewing Station: IL-LK-18 : Grayslake 0.7 WSW
Feb 18, 2007 - Apr 3, 20261,426 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.44"
April 1-3, 2026(3 of 3 days covered by obs)
NOAA Normal
0.38"
Departure from Normal
2.06" : 640% of Normal
Year-To-Date: 2.48"
Jan 1 to Apr 3, 2026(4 of 93 days covered by obs)
NOAA Normal
6.18"
Departure from Normal
-3.70" : 40% of Normal
Water Year-To-Date: 6.58"
Oct 1, 2025 to Apr 3, 2026(38 of 185 days covered by obs)
NOAA Normal
13.78"
Departure from Normal
-7.20" : 48% 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