Viewing Station: IL-DP-38 : Elmhurst 0.4 SW
Jul 9, 2007 - Sep 17, 20264,873 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.67"
September 1-17, 2026(17 of 17 days covered by obs)
NOAA Normal
1.86"
Departure from Normal
-1.19" : 36% of Normal
Year-To-Date: 27.97"
Jan 1 to Sep 17, 2026(250 of 260 days covered by obs)
NOAA Normal
28.49"
Departure from Normal
-0.52" : 98% of Normal
Water Year-To-Date: 34.65"
Oct 1, 2025 to Sep 17, 2026(338 of 352 days covered by obs)
NOAA Normal
36.50"
Departure from Normal
-1.85" : 95% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.93
2.11
-0.18
Feb
1.81
2.00
-0.19
Mar
2.34
2.29
0.05
Apr
3.81
3.84
-0.03
May
4.63
4.66
-0.03
Jun
4.42
4.39
0.03
Jul
3.74
3.71
0.03
Aug
3.95
4.07
-0.12
Sep
3.28
3.26
0.02
Oct
3.42
3.45
-0.03
Nov
2.49
2.63
-0.14
Dec
2.10
2.22
-0.12
37.92
38.63
-0.71