Viewing Station: IL-DP-189 : Downers Grove 1.8 SSE
Aug 15, 2023 - Apr 9, 2026999 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.20"
April 1-9, 2026(9 of 9 days covered by obs)
NOAA Normal
1.16"
Departure from Normal
2.04" : 275% of Normal
Year-To-Date: 10.21"
Jan 1 to Apr 9, 2026(99 of 99 days covered by obs)
NOAA Normal
7.42"
Departure from Normal
2.79" : 138% of Normal
Water Year-To-Date: 17.50"
Oct 1, 2025 to Apr 9, 2026(191 of 191 days covered by obs)
NOAA Normal
15.74"
Departure from Normal
1.76" : 111% 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