Viewing Station: IL-DP-189 : Downers Grove 1.8 SSE
Aug 15, 2023 - Jul 17, 2025746 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.97"
July 1-19, 2025(17 of 19 days covered by obs)
NOAA Normal
2.36"
Departure from Normal
-0.39" : 83% of Normal
Year-To-Date: 17.87"
Jan 1 to Jul 19, 2025(198 of 200 days covered by obs)
NOAA Normal
21.52"
Departure from Normal
-3.65" : 83% of Normal
Water Year-To-Date: 24.54"
Oct 1, 2024 to Jul 19, 2025(290 of 292 days covered by obs)
NOAA Normal
29.84"
Departure from Normal
-5.30" : 82% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.02
2.15
-0.13
Feb
1.83
1.99
-0.16
Mar
2.41
2.36
0.05
Apr
3.88
3.92
-0.04
May
4.58
4.71
-0.13
Jun
4.44
4.45
-0.01
Jul
3.85
3.91
-0.06
Aug
4.14
4.04
0.10
Sep
3.29
3.25
0.04
Oct
3.54
3.55
-0.01
Nov
2.61
2.65
-0.04
Dec
2.17
2.22
-0.05
38.76
39.20
-0.44