Viewing Station: IL-CK-473 : Winnetka 1.0 NW
Aug 26, 2026 - Sep 1, 20265 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.55"
September 1-1, 2026(1 of 1 days covered by obs)
NOAA Normal
0.11"
Departure from Normal
0.44" : 491% of Normal
Year-To-Date: 0.55"
Jan 1 to Sep 1, 2026(6 of 244 days covered by obs)
NOAA Normal
26.21"
Departure from Normal
-25.66" : 2% of Normal
Water Year-To-Date: 0.55"
Oct 1, 2025 to Sep 1, 2026(6 of 336 days covered by obs)
NOAA Normal
34.11"
Departure from Normal
-33.56" : 2% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.95
2.04
-0.09
Feb
1.84
1.95
-0.11
Mar
2.23
2.19
0.04
Apr
3.70
3.73
-0.03
May
4.51
4.62
-0.11
Jun
4.38
4.23
0.15
Jul
3.77
3.63
0.14
Aug
3.72
4.10
-0.38
Sep
3.36
3.33
0.03
Oct
3.30
3.49
-0.19
Nov
2.48
2.60
-0.12
Dec
2.12
2.24
-0.12
37.36
38.15
-0.79