Viewing Station: IL-LK-128 : Lake Forest 2.0 WSW
Apr 10, 2023 - Aug 25, 20261,155 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 6.29"
August 1-25, 2026(25 of 25 days covered by obs)
NOAA Normal
3.02"
Departure from Normal
3.27" : 209% of Normal
Year-To-Date: 30.24"
Jan 1 to Aug 25, 2026(237 of 237 days covered by obs)
NOAA Normal
25.04"
Departure from Normal
5.20" : 121% of Normal
Water Year-To-Date: 36.93"
Oct 1, 2025 to Aug 25, 2026(329 of 329 days covered by obs)
NOAA Normal
32.72"
Departure from Normal
4.21" : 113% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.88
1.97
-0.09
Feb
1.76
1.90
-0.14
Mar
2.22
2.27
-0.05
Apr
3.75
3.72
0.03
May
4.27
4.43
-0.16
Jun
4.45
4.29
0.16
Jul
3.69
3.68
0.01
Aug
3.74
3.73
0.01
Sep
3.36
3.43
-0.07
Oct
3.21
3.28
-0.07
Nov
2.45
2.41
0.04
Dec
2.02
2.09
-0.07
36.80
37.20
-0.40