Viewing Station: IL-DP-178 : Villa Park 0.8 ESE
Sep 30, 2021 - Sep 17, 20261,779 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.35"
September 1-17, 2026(17 of 17 days covered by obs)
NOAA Normal
1.86"
Departure from Normal
-0.51" : 73% of Normal
Year-To-Date: 35.81"
Jan 1 to Sep 17, 2026(260 of 260 days covered by obs)
NOAA Normal
28.48"
Departure from Normal
7.33" : 126% of Normal
Water Year-To-Date: 43.66"
Oct 1, 2025 to Sep 17, 2026(352 of 352 days covered by obs)
NOAA Normal
36.48"
Departure from Normal
7.18" : 120% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.91
2.11
-0.20
Feb
1.82
2.00
-0.18
Mar
2.33
2.29
0.04
Apr
3.82
3.84
-0.02
May
4.65
4.67
-0.02
Jun
4.43
4.40
0.03
Jul
3.71
3.72
-0.01
Aug
3.95
4.07
-0.12
Sep
3.28
3.26
0.02
Oct
3.42
3.46
-0.04
Nov
2.48
2.64
-0.16
Dec
2.10
2.22
-0.12
37.90
38.68
-0.78