Viewing Station: IL-CK-326 : Morton Grove 1.2 WNW
Mar 30, 2020 - May 27, 20262,223 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.19"
May 1-27, 2026(27 of 27 days covered by obs)
NOAA Normal
3.92"
Departure from Normal
-2.73" : 30% of Normal
Year-To-Date: 15.93"
Jan 1 to May 27, 2026(147 of 147 days covered by obs)
NOAA Normal
13.67"
Departure from Normal
2.26" : 117% of Normal
Water Year-To-Date: 22.47"
Oct 1, 2025 to May 27, 2026(239 of 239 days covered by obs)
NOAA Normal
21.51"
Departure from Normal
0.96" : 104% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.94
2.06
-0.12
Feb
1.84
1.95
-0.11
Mar
2.25
2.25
0.00
Apr
3.72
3.77
-0.05
May
4.50
4.65
-0.15
Jun
4.47
4.33
0.14
Jul
3.80
3.66
0.14
Aug
3.75
4.03
-0.28
Sep
3.32
3.37
-0.05
Oct
3.28
3.42
-0.14
Nov
2.45
2.54
-0.09
Dec
2.11
2.19
-0.08
37.43
38.22
-0.79