Viewing Station: IL-MCL-66 : Normal 1.4 WNW
May 1, 2021 - Aug 24, 20261,370 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 8.13"
August 1-24, 2026(24 of 24 days covered by obs)
NOAA Normal
2.79"
Departure from Normal
5.34" : 292% of Normal
Year-To-Date: 25.68"
Jan 1 to Aug 24, 2026(142 of 236 days covered by obs)
NOAA Normal
25.70"
Departure from Normal
-0.02" : 100% of Normal
Water Year-To-Date: 28.40"
Oct 1, 2025 to Aug 24, 2026(201 of 328 days covered by obs)
NOAA Normal
33.93"
Departure from Normal
-5.53" : 84% 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
2.58
2.63
-0.05
Apr
3.78
3.73
0.05
May
4.54
4.51
0.03
Jun
4.02
3.99
0.03
Jul
4.08
3.89
0.19
Aug
3.60
3.61
-0.01
Sep
3.07
3.27
-0.20
Oct
3.26
3.27
-0.01
Nov
2.80
2.73
0.07
Dec
2.17
2.28
-0.11
37.81
38.11
-0.30