Viewing Station: IL-WM-12 : Marion 8.0 SSW
Nov 1, 2017 - Dec 15, 20252,857 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.09"
December 1-15, 2025(15 of 15 days covered by obs)
NOAA Normal
1.76"
Departure from Normal
-1.67" : 5% of Normal
Year-To-Date: 47.44"
Jan 1 to Dec 15, 2025(348 of 349 days covered by obs)
NOAA Normal
46.32"
Departure from Normal
1.12" : 102% of Normal
Water Year-To-Date: 6.77"
Oct 1, 2025 to Dec 15, 2025(76 of 76 days covered by obs)
NOAA Normal
9.61"
Departure from Normal
-2.84" : 70% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.35
3.38
-0.03
Feb
3.21
3.24
-0.03
Mar
4.51
4.40
0.11
Apr
5.49
5.30
0.19
May
5.12
5.10
0.02
Jun
4.45
4.51
-0.06
Jul
4.08
3.96
0.12
Aug
3.16
3.10
0.06
Sep
3.34
3.22
0.12
Oct
3.63
3.60
0.03
Nov
4.22
4.24
-0.02
Dec
3.63
3.73
-0.10
48.19
47.78
0.41