Viewing Station: IL-CK-453 : Chicago 8.8 S (GCI)
Jun 4, 2025 - Jun 22, 202519 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 5.55"
June 1-23, 2025(19 of 23 days covered by obs)
NOAA Normal
3.20"
Departure from Normal
2.35" : 173% of Normal
Year-To-Date: 5.55"
Jan 1 to Jun 23, 2025(19 of 174 days covered by obs)
NOAA Normal
17.40"
Departure from Normal
-11.85" : 32% of Normal
Water Year-To-Date: 5.55"
Oct 1, 2024 to Jun 23, 2025(19 of 266 days covered by obs)
NOAA Normal
25.57"
Departure from Normal
-20.02" : 22% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.07
2.36
-0.29
Feb
1.79
2.09
-0.30
Mar
2.31
2.35
-0.04
Apr
3.76
3.79
-0.03
May
4.27
4.54
-0.27
Jun
4.18
4.43
-0.25
Jul
3.63
3.97
-0.34
Aug
4.04
4.00
0.04
Sep
3.22
3.37
-0.15
Oct
3.53
3.81
-0.28
Nov
2.56
2.65
-0.09
Dec
2.08
2.39
-0.31
37.44
39.75
-2.31