Viewing Station: IL-LK-103 : Buffalo Grove 1.3 ESE
Apr 22, 2018 - Nov 30, 20252,742 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.19"
November 1-30, 2025(30 of 30 days covered by obs)
NOAA Normal
2.42"
Departure from Normal
-0.23" : 90% of Normal
Year-To-Date: 26.14"
Jan 1 to Nov 30, 2025(334 of 334 days covered by obs)
NOAA Normal
35.07"
Departure from Normal
-8.93" : 75% of Normal
Water Year-To-Date: 4.41"
Oct 1, 2025 to Nov 30, 2025(61 of 61 days covered by obs)
NOAA Normal
5.61"
Departure from Normal
-1.20" : 79% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.87
1.95
-0.08
Feb
1.76
1.89
-0.13
Mar
2.22
2.25
-0.03
Apr
3.74
3.69
0.05
May
4.30
4.45
-0.15
Jun
4.56
4.25
0.31
Jul
3.85
3.61
0.24
Aug
3.85
3.83
0.02
Sep
3.31
3.27
0.04
Oct
3.19
3.24
-0.05
Nov
2.42
2.36
0.06
Dec
2.05
2.08
-0.03
37.12
36.87
0.25