Viewing Station: IL-CS-3 : Arenzville 5.3 NNE
Aug 3, 2013 - May 27, 20264,718 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.67"
May 1-27, 2026(27 of 27 days covered by obs)
NOAA Normal
4.14"
Departure from Normal
-1.47" : 65% of Normal
Year-To-Date: 18.49"
Jan 1 to May 27, 2026(144 of 147 days covered by obs)
NOAA Normal
14.60"
Departure from Normal
3.89" : 127% of Normal
Water Year-To-Date: 24.45"
Oct 1, 2025 to May 27, 2026(236 of 239 days covered by obs)
NOAA Normal
22.38"
Departure from Normal
2.07" : 109% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.02
2.01
0.01
Feb
1.90
1.86
0.04
Mar
2.57
2.57
0.00
Apr
3.97
3.89
0.08
May
4.75
4.75
0.00
Jun
4.52
4.44
0.08
Jul
3.78
3.72
0.06
Aug
3.52
3.49
0.03
Sep
3.36
3.39
-0.03
Oct
3.04
3.05
-0.01
Nov
2.70
2.83
-0.13
Dec
2.04
2.12
-0.08
38.17
38.12
0.05