Viewing Station: IL-LK-18 : Grayslake 0.7 WSW
Feb 18, 2007 - Aug 24, 20261,538 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 6.47"
August 1-25, 2026(22 of 25 days covered by obs)
NOAA Normal
2.99"
Departure from Normal
3.48" : 216% of Normal
Year-To-Date: 27.54"
Jan 1 to Aug 25, 2026(139 of 237 days covered by obs)
NOAA Normal
24.76"
Departure from Normal
2.78" : 111% of Normal
Water Year-To-Date: 31.64"
Oct 1, 2025 to Aug 25, 2026(173 of 329 days covered by obs)
NOAA Normal
32.36"
Departure from Normal
-0.72" : 98% 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