Viewing Station: IL-LK-74 : Mundelein 1.6 WNW
Dec 2, 2012 - Dec 15, 20253,748 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.61"
December 1-16, 2025(15 of 16 days covered by obs)
NOAA Normal
1.04"
Departure from Normal
-0.43" : 59% of Normal
Year-To-Date: 27.65"
Jan 1 to Dec 16, 2025(347 of 350 days covered by obs)
NOAA Normal
35.97"
Departure from Normal
-8.32" : 77% of Normal
Water Year-To-Date: 5.22"
Oct 1, 2025 to Dec 16, 2025(74 of 77 days covered by obs)
NOAA Normal
6.68"
Departure from Normal
-1.46" : 78% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.84
1.89
-0.05
Feb
1.74
1.89
-0.15
Mar
2.24
2.32
-0.08
Apr
3.82
3.74
0.08
May
4.21
4.48
-0.27
Jun
4.49
4.39
0.10
Jul
3.74
3.74
0.00
Aug
3.79
3.71
0.08
Sep
3.42
3.43
-0.01
Oct
3.19
3.19
0.00
Nov
2.45
2.40
0.05
Dec
2.01
2.07
-0.06
36.94
37.25
-0.31