Viewing Station: IL-LK-13 : Lake Bluff 1.3 W
Mar 21, 2007 - Dec 15, 20254,807 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.60"
December 1-16, 2025(15 of 16 days covered by obs)
NOAA Normal
1.03"
Departure from Normal
-0.43" : 58% of Normal
Year-To-Date: 27.75"
Jan 1 to Dec 16, 2025(349 of 350 days covered by obs)
NOAA Normal
35.65"
Departure from Normal
-7.90" : 78% of Normal
Water Year-To-Date: 6.69"
Oct 1, 2025 to Dec 16, 2025(76 of 77 days covered by obs)
NOAA Normal
6.70"
Departure from Normal
-0.01" : 100% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.86
1.96
-0.10
Feb
1.74
1.90
-0.16
Mar
2.21
2.26
-0.05
Apr
3.76
3.76
0.00
May
4.23
4.37
-0.14
Jun
4.39
4.22
0.17
Jul
3.64
3.64
0.00
Aug
3.74
3.60
0.14
Sep
3.38
3.59
-0.21
Oct
3.22
3.32
-0.10
Nov
2.45
2.44
0.01
Dec
1.99
2.09
-0.10
36.61
37.15
-0.54