Viewing Station: IL-LK-87 : Lake Zurich 1.3 N
May 19, 2014 - Jul 19, 20252,510 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.47"
July 1-19, 2025(19 of 19 days covered by obs)
NOAA Normal
2.38"
Departure from Normal
1.09" : 146% of Normal
Year-To-Date: 14.78"
Jan 1 to Jul 19, 2025(141 of 200 days covered by obs)
NOAA Normal
20.91"
Departure from Normal
-6.13" : 71% of Normal
Water Year-To-Date: 19.87"
Oct 1, 2024 to Jul 19, 2025(219 of 292 days covered by obs)
NOAA Normal
28.67"
Departure from Normal
-8.80" : 69% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.83
1.89
-0.06
Feb
1.77
1.88
-0.11
Mar
2.25
2.29
-0.04
Apr
3.84
3.72
0.12
May
4.29
4.61
-0.32
Jun
4.55
4.44
0.11
Jul
3.88
3.76
0.12
Aug
3.86
3.85
0.01
Sep
3.47
3.41
0.06
Oct
3.19
3.21
-0.02
Nov
2.50
2.40
0.10
Dec
2.07
2.07
0.00
37.50
37.53
-0.03