Viewing Station: IL-DP-49 : Naperville 2.5 ESE
Oct 18, 2007 - Apr 10, 2026795 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 5.74"
April 1-10, 2026(5 of 10 days covered by obs)
NOAA Normal
1.30"
Departure from Normal
4.44" : 443% of Normal
Year-To-Date: 10.90"
Jan 1 to Apr 10, 2026(24 of 100 days covered by obs)
NOAA Normal
7.50"
Departure from Normal
3.40" : 145% of Normal
Water Year-To-Date: 12.61"
Oct 1, 2025 to Apr 10, 2026(29 of 192 days covered by obs)
NOAA Normal
15.75"
Departure from Normal
-3.14" : 80% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.02
2.06
-0.04
Feb
1.81
1.92
-0.11
Mar
2.37
2.34
0.03
Apr
3.89
3.87
0.02
May
4.56
4.68
-0.12
Jun
4.45
4.42
0.03
Jul
3.88
3.92
-0.04
Aug
4.07
3.96
0.11
Sep
3.25
3.23
0.02
Oct
3.48
3.50
-0.02
Nov
2.61
2.58
0.03
Dec
2.16
2.15
0.01
38.55
38.63
-0.08