Viewing Station: IL-RC-8 : Olney 0.3 ESE
Mar 9, 2025 - Sep 17, 2026212 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.63"
September 1-17, 2026(3 of 17 days covered by obs)
NOAA Normal
1.91"
Departure from Normal
-1.28" : 33% of Normal
Year-To-Date: 16.13"
Jan 1 to Sep 17, 2026(26 of 260 days covered by obs)
NOAA Normal
33.92"
Departure from Normal
-17.79" : 48% of Normal
Water Year-To-Date: 18.00"
Oct 1, 2025 to Sep 17, 2026(35 of 352 days covered by obs)
NOAA Normal
44.47"
Departure from Normal
-26.47" : 40% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.23
3.37
-0.14
Feb
2.45
2.54
-0.09
Mar
3.74
3.97
-0.23
Apr
4.88
4.89
-0.01
May
5.10
5.13
-0.03
Jun
4.85
4.86
-0.01
Jul
4.50
4.59
-0.09
Aug
3.26
3.01
0.25
Sep
3.37
3.30
0.07
Oct
3.57
3.65
-0.08
Nov
3.91
4.01
-0.10
Dec
3.07
3.37
-0.30
45.93
46.69
-0.76