Viewing Station: IL-MCL-66 : Normal 1.4 WNW
May 1, 2021 - May 25, 20261,279 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.22"
May 1-26, 2026(25 of 26 days covered by obs)
NOAA Normal
3.81"
Departure from Normal
-1.59" : 58% of Normal
Year-To-Date: 5.21"
Jan 1 to May 26, 2026(51 of 146 days covered by obs)
NOAA Normal
14.08"
Departure from Normal
-8.87" : 37% of Normal
Water Year-To-Date: 7.93"
Oct 1, 2025 to May 26, 2026(110 of 238 days covered by obs)
NOAA Normal
22.31"
Departure from Normal
-14.38" : 36% 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