Viewing Station: IL-CK-179 : Chicago 4.8 NNW
Apr 20, 2011 - May 30, 2017281 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
June 1-9, 2026(0 of 9 days covered by obs)
NOAA Normal
1.27"
Departure from Normal
-1.27" : 0% of Normal
Year-To-Date: 0.00"
Jan 1 to Jun 9, 2026(0 of 160 days covered by obs)
NOAA Normal
15.53"
Departure from Normal
-15.53" : 0% of Normal
Water Year-To-Date: 0.00"
Oct 1, 2025 to Jun 9, 2026(0 of 252 days covered by obs)
NOAA Normal
23.57"
Departure from Normal
-23.57" : 0% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.01
2.19
-0.18
Feb
1.83
2.06
-0.23
Mar
2.24
2.26
-0.02
Apr
3.73
3.78
-0.05
May
4.45
4.53
-0.08
Jun
4.23
4.45
-0.22
Jul
3.69
3.82
-0.13
Aug
3.89
3.96
-0.07
Sep
3.27
3.31
-0.04
Oct
3.42
3.67
-0.25
Nov
2.52
2.65
-0.13
Dec
2.10
2.31
-0.21
37.38
38.99
-1.61