Viewing Station: IL-LK-22 : Lake Forest 2.1 NNE
Aug 1, 2007 - Dec 25, 20256,600 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.70"
December 1-25, 2025(25 of 25 days covered by obs)
NOAA Normal
1.60"
Departure from Normal
-0.90" : 44% of Normal
Year-To-Date: 30.89"
Jan 1 to Dec 25, 2025(359 of 359 days covered by obs)
NOAA Normal
36.16"
Departure from Normal
-5.27" : 85% of Normal
Water Year-To-Date: 6.66"
Oct 1, 2025 to Dec 25, 2025(86 of 86 days covered by obs)
NOAA Normal
7.30"
Departure from Normal
-0.64" : 91% 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