Viewing Station: IL-DP-16 : Aurora 3.6 SE
Feb 20, 2007 - Aug 13, 20267,095 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 6.47"
August 1-13, 2026(13 of 13 days covered by obs)
NOAA Normal
1.68"
Departure from Normal
4.79" : 386% of Normal
Year-To-Date: 37.09"
Jan 1 to Aug 13, 2026(225 of 225 days covered by obs)
NOAA Normal
24.44"
Departure from Normal
12.65" : 152% of Normal
Water Year-To-Date: 42.87"
Oct 1, 2025 to Aug 13, 2026(317 of 317 days covered by obs)
NOAA Normal
32.53"
Departure from Normal
10.34" : 132% 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