Viewing Station: IL-DP-75 : Naperville 1.1 NW
Apr 1, 2009 - Sep 15, 20203,132 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
June 1-9, 2026(0 of 9 days covered by obs)
NOAA Normal
1.31"
Departure from Normal
-1.31" : 0% of Normal
Year-To-Date: 0.00"
Jan 1 to Jun 9, 2026(0 of 160 days covered by obs)
NOAA Normal
15.76"
Departure from Normal
-15.76" : 0% of Normal
Water Year-To-Date: 0.00"
Oct 1, 2025 to Jun 9, 2026(0 of 252 days covered by obs)
NOAA Normal
23.86"
Departure from Normal
-23.86" : 0% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.92
1.96
-0.04
Feb
1.77
1.84
-0.07
Mar
2.30
2.27
0.03
Apr
3.86
3.79
0.07
May
4.60
4.67
-0.07
Jun
4.37
4.35
0.02
Jul
3.87
3.85
0.02
Aug
4.00
3.87
0.13
Sep
3.19
3.22
-0.03
Oct
3.42
3.44
-0.02
Nov
2.58
2.49
0.09
Dec
2.10
2.07
0.03
37.98
37.82
0.16