Viewing Station: IL-DP-132 : Wheaton 2.0 NNE
Jun 25, 2015 - Aug 13, 20264,072 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.25"
August 1-13, 2026(13 of 13 days covered by obs)
NOAA Normal
1.63"
Departure from Normal
2.62" : 261% of Normal
Year-To-Date: 31.41"
Jan 1 to Aug 13, 2026(225 of 225 days covered by obs)
NOAA Normal
24.42"
Departure from Normal
6.99" : 129% of Normal
Water Year-To-Date: 38.59"
Oct 1, 2025 to Aug 13, 2026(317 of 317 days covered by obs)
NOAA Normal
32.39"
Departure from Normal
6.20" : 119% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.86
2.06
-0.20
Feb
1.82
1.96
-0.14
Mar
2.33
2.29
0.04
Apr
3.83
3.82
0.01
May
4.75
4.72
0.03
Jun
4.45
4.40
0.05
Jul
3.75
3.74
0.01
Aug
3.89
4.04
-0.15
Sep
3.31
3.28
0.03
Oct
3.38
3.45
-0.07
Nov
2.51
2.61
-0.10
Dec
2.08
2.18
-0.10
37.96
38.55
-0.59