Viewing Station: IL-DP-101 : Aurora 3.8 SE
Apr 24, 2011 - Dec 12, 20255,357 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.70"
December 1-14, 2025(12 of 14 days covered by obs)
NOAA Normal
0.95"
Departure from Normal
-0.25" : 73% of Normal
Year-To-Date: 32.32"
Jan 1 to Dec 14, 2025(346 of 348 days covered by obs)
NOAA Normal
36.89"
Departure from Normal
-4.57" : 88% of Normal
Water Year-To-Date: 4.51"
Oct 1, 2025 to Dec 14, 2025(73 of 75 days covered by obs)
NOAA Normal
6.93"
Departure from Normal
-2.42" : 65% 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