Viewing Station: IL-SC-37 : Belleville 1.9 WNW
Feb 28, 2023 - May 27, 20261,182 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 4.48"
May 1-27, 2026(27 of 27 days covered by obs)
NOAA Normal
4.35"
Departure from Normal
0.13" : 103% of Normal
Year-To-Date: 17.50"
Jan 1 to May 27, 2026(147 of 147 days covered by obs)
NOAA Normal
17.25"
Departure from Normal
0.25" : 101% of Normal
Water Year-To-Date: 24.70"
Oct 1, 2025 to May 27, 2026(239 of 239 days covered by obs)
NOAA Normal
26.48"
Departure from Normal
-1.78" : 93% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.53
2.75
-0.22
Feb
2.18
2.34
-0.16
Mar
3.42
3.50
-0.08
Apr
4.77
4.86
-0.09
May
4.99
5.04
-0.05
Jun
4.40
4.67
-0.27
Jul
3.87
4.32
-0.45
Aug
3.27
3.62
-0.35
Sep
3.39
3.41
-0.02
Oct
3.16
3.14
0.02
Nov
3.40
3.62
-0.22
Dec
2.67
2.70
-0.03
42.05
43.97
-1.92