Viewing Station: IL-LK-119 : Lake Zurich 1.4 W
Mar 7, 2018 - Aug 24, 20261,967 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.67"
August 1-25, 2026(24 of 25 days covered by obs)
NOAA Normal
3.14"
Departure from Normal
1.53" : 149% of Normal
Year-To-Date: 28.27"
Jan 1 to Aug 25, 2026(236 of 237 days covered by obs)
NOAA Normal
25.70"
Departure from Normal
2.57" : 110% of Normal
Water Year-To-Date: 35.32"
Oct 1, 2025 to Aug 25, 2026(321 of 329 days covered by obs)
NOAA Normal
33.45"
Departure from Normal
1.87" : 106% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.84
1.90
-0.06
Feb
1.78
1.88
-0.10
Mar
2.27
2.27
0.00
Apr
3.80
3.72
0.08
May
4.40
4.69
-0.29
Jun
4.58
4.49
0.09
Jul
3.89
3.77
0.12
Aug
3.89
3.93
-0.04
Sep
3.48
3.43
0.05
Oct
3.21
3.22
-0.01
Nov
2.47
2.41
0.06
Dec
2.07
2.09
-0.02
37.68
37.80
-0.12