Viewing Station: IL-LK-22 : Lake Forest 2.1 NNE
Aug 1, 2007 - Jul 28, 20256,450 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.94"
July 1-28, 2025(28 of 28 days covered by obs)
NOAA Normal
3.26"
Departure from Normal
0.68" : 121% of Normal
Year-To-Date: 17.16"
Jan 1 to Jul 28, 2025(209 of 209 days covered by obs)
NOAA Normal
21.42"
Departure from Normal
-4.26" : 80% of Normal
Water Year-To-Date: 23.17"
Oct 1, 2024 to Jul 28, 2025(301 of 301 days covered by obs)
NOAA Normal
29.11"
Departure from Normal
-5.94" : 80% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.87
1.95
-0.08
Feb
1.74
1.89
-0.15
Mar
2.21
2.27
-0.06
Apr
3.75
3.77
-0.02
May
4.23
4.35
-0.12
Jun
4.36
4.19
0.17
Jul
3.61
3.62
-0.01
Aug
3.71
3.61
0.10
Sep
3.38
3.63
-0.25
Oct
3.24
3.37
-0.13
Nov
2.46
2.46
0.00
Dec
1.99
2.09
-0.10
36.55
37.20
-0.65