Viewing Station: IL-WL-180 : Mokena 4.4 WNW
May 26, 2022 - May 27, 20261,002 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.21"
May 1-27, 2026(27 of 27 days covered by obs)
NOAA Normal
4.00"
Departure from Normal
-1.79" : 55% of Normal
Year-To-Date: 11.97"
Jan 1 to May 27, 2026(78 of 147 days covered by obs)
NOAA Normal
14.25"
Departure from Normal
-2.28" : 84% of Normal
Water Year-To-Date: 14.96"
Oct 1, 2025 to May 27, 2026(135 of 239 days covered by obs)
NOAA Normal
22.47"
Departure from Normal
-7.51" : 67% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.11
2.12
-0.01
Feb
1.88
1.94
-0.06
Mar
2.42
2.37
0.05
Apr
3.84
3.82
0.02
May
4.59
4.66
-0.07
Jun
4.48
4.44
0.04
Jul
4.15
4.27
-0.12
Aug
4.03
3.99
0.04
Sep
3.40
3.31
0.09
Oct
3.40
3.40
0.00
Nov
2.63
2.57
0.06
Dec
2.19
2.15
0.04
39.12
39.04
0.08