Viewing Station: IL-LK-139 : Long Grove 0.7 WSW
Jul 1, 2025 - Aug 24, 2026300 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 5.34"
August 1-24, 2026(24 of 24 days covered by obs)
NOAA Normal
2.98"
Departure from Normal
2.36" : 179% of Normal
Year-To-Date: 23.87"
Jan 1 to Aug 24, 2026(153 of 236 days covered by obs)
NOAA Normal
25.37"
Departure from Normal
-1.50" : 94% of Normal
Water Year-To-Date: 27.67"
Oct 1, 2025 to Aug 24, 2026(211 of 328 days covered by obs)
NOAA Normal
33.07"
Departure from Normal
-5.40" : 84% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.86
1.91
-0.05
Feb
1.77
1.89
-0.12
Mar
2.24
2.28
-0.04
Apr
3.78
3.70
0.08
May
4.35
4.51
-0.16
Jun
4.56
4.33
0.23
Jul
3.83
3.70
0.13
Aug
3.85
3.82
0.03
Sep
3.36
3.35
0.01
Oct
3.18
3.22
-0.04
Nov
2.46
2.36
0.10
Dec
2.06
2.07
-0.01
37.30
37.14
0.16