Viewing Station: IL-LK-103 : Buffalo Grove 1.3 ESE
Apr 22, 2018 - Jul 8, 20262,956 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.75"
July 1-8, 2026(8 of 8 days covered by obs)
NOAA Normal
0.99"
Departure from Normal
0.76" : 176% of Normal
Year-To-Date: 19.94"
Jan 1 to Jul 8, 2026(189 of 189 days covered by obs)
NOAA Normal
19.44"
Departure from Normal
0.50" : 103% of Normal
Water Year-To-Date: 26.09"
Oct 1, 2025 to Jul 8, 2026(281 of 281 days covered by obs)
NOAA Normal
27.10"
Departure from Normal
-1.01" : 96% 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