Viewing Station: IL-LK-139 : Long Grove 0.7 WSW
Jul 1, 2025 - May 27, 2026211 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.21"
May 1-27, 2026(27 of 27 days covered by obs)
NOAA Normal
3.79"
Departure from Normal
-2.58" : 32% of Normal
Year-To-Date: 8.46"
Jan 1 to May 27, 2026(64 of 147 days covered by obs)
NOAA Normal
13.44"
Departure from Normal
-4.98" : 63% of Normal
Water Year-To-Date: 12.26"
Oct 1, 2025 to May 27, 2026(122 of 239 days covered by obs)
NOAA Normal
21.14"
Departure from Normal
-8.88" : 58% 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