Viewing Station: IL-MCL-63 : Normal 1.7 SE
Apr 15, 2021 - Sep 26, 20261,703 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.76"
September 1-26, 2026(26 of 26 days covered by obs)
NOAA Normal
2.63"
Departure from Normal
0.13" : 105% of Normal
Year-To-Date: 37.64"
Jan 1 to Sep 26, 2026(268 of 269 days covered by obs)
NOAA Normal
29.09"
Departure from Normal
8.55" : 129% of Normal
Water Year-To-Date: 42.41"
Oct 1, 2025 to Sep 26, 2026(356 of 361 days covered by obs)
NOAA Normal
37.32"
Departure from Normal
5.09" : 114% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.09
2.26
-0.17
Feb
1.82
1.94
-0.12
Mar
2.57
2.63
-0.06
Apr
3.78
3.72
0.06
May
4.49
4.50
-0.01
Jun
4.01
4.01
0.00
Jul
4.10
3.91
0.19
Aug
3.60
3.60
0.00
Sep
3.03
3.26
-0.23
Oct
3.25
3.27
-0.02
Nov
2.82
2.74
0.08
Dec
2.16
2.28
-0.12
37.72
38.12
-0.40