Viewing Station: IL-DP-101 : Aurora 3.8 SE
Apr 24, 2011 - May 27, 20265,514 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.60"
May 1-27, 2026(27 of 27 days covered by obs)
NOAA Normal
3.99"
Departure from Normal
-2.39" : 40% of Normal
Year-To-Date: 14.60"
Jan 1 to May 27, 2026(147 of 147 days covered by obs)
NOAA Normal
13.80"
Departure from Normal
0.80" : 106% of Normal
Water Year-To-Date: 20.86"
Oct 1, 2025 to May 27, 2026(239 of 239 days covered by obs)
NOAA Normal
21.89"
Departure from Normal
-1.03" : 95% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.94
1.90
0.04
Feb
1.74
1.80
-0.06
Mar
2.28
2.26
0.02
Apr
3.85
3.75
0.10
May
4.58
4.62
-0.04
Jun
4.41
4.33
0.08
Jul
3.96
3.86
0.10
Aug
4.00
3.80
0.20
Sep
3.20
3.22
-0.02
Oct
3.41
3.38
0.03
Nov
2.57
2.45
0.12
Dec
2.11
2.04
0.07
38.05
37.41
0.64