Viewing Station: IL-CK-75 : Elk Grove Village 2.2 WSW
May 7, 2007 - May 27, 20267,484 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.71"
May 1-27, 2026(27 of 27 days covered by obs)
NOAA Normal
4.06"
Departure from Normal
-2.35" : 42% of Normal
Year-To-Date: 15.71"
Jan 1 to May 27, 2026(147 of 147 days covered by obs)
NOAA Normal
13.79"
Departure from Normal
1.92" : 114% of Normal
Water Year-To-Date: 21.98"
Oct 1, 2025 to May 27, 2026(239 of 239 days covered by obs)
NOAA Normal
21.63"
Departure from Normal
0.35" : 102% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.85
2.02
-0.17
Feb
1.80
1.91
-0.11
Mar
2.30
2.25
0.05
Apr
3.78
3.75
0.03
May
4.66
4.69
-0.03
Jun
4.57
4.35
0.22
Jul
3.80
3.70
0.10
Aug
3.90
4.07
-0.17
Sep
3.38
3.30
0.08
Oct
3.31
3.32
-0.01
Nov
2.45
2.51
-0.06
Dec
2.08
2.15
-0.07
37.88
38.02
-0.14