Viewing Station: IL-WL-166 : Naperville 3.6 SE
Jul 1, 2020 - Nov 13, 20251,784 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.72"
November 1-13, 2025(13 of 13 days covered by obs)
NOAA Normal
1.13"
Departure from Normal
-0.41" : 64% of Normal
Year-To-Date: 32.23"
Jan 1 to Nov 13, 2025(316 of 317 days covered by obs)
NOAA Normal
34.91"
Departure from Normal
-2.68" : 92% of Normal
Water Year-To-Date: 3.28"
Oct 1, 2025 to Nov 13, 2025(44 of 44 days covered by obs)
NOAA Normal
4.61"
Departure from Normal
-1.33" : 71% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.02
2.06
-0.04
Feb
1.81
1.91
-0.10
Mar
2.37
2.35
0.02
Apr
3.89
3.86
0.03
May
4.56
4.67
-0.11
Jun
4.45
4.43
0.02
Jul
3.88
3.96
-0.08
Aug
4.07
3.95
0.12
Sep
3.25
3.23
0.02
Oct
3.48
3.47
0.01
Nov
2.61
2.55
0.06
Dec
2.16
2.14
0.02
38.55
38.58
-0.03