Viewing Station: IL-CK-232 : Rogers Park 0.6 ESE
Mar 12, 2014 - Sep 17, 20254,150 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.18"
September 1-18, 2025(17 of 18 days covered by obs)
NOAA Normal
2.01"
Departure from Normal
-0.83" : 59% of Normal
Year-To-Date: 27.19"
Jan 1 to Sep 18, 2025(259 of 261 days covered by obs)
NOAA Normal
28.12"
Departure from Normal
-0.93" : 97% of Normal
Water Year-To-Date: 34.50"
Oct 1, 2024 to Sep 18, 2025(351 of 353 days covered by obs)
NOAA Normal
36.12"
Departure from Normal
-1.62" : 96% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.01
2.16
-0.15
Feb
1.85
2.07
-0.22
Mar
2.24
2.26
-0.02
Apr
3.70
3.77
-0.07
May
4.45
4.63
-0.18
Jun
4.40
4.41
-0.01
Jul
3.75
3.68
0.07
Aug
3.71
3.78
-0.07
Sep
3.35
3.32
0.03
Oct
3.37
3.67
-0.30
Nov
2.50
2.65
-0.15
Dec
2.13
2.30
-0.17
37.46
38.70
-1.24