Viewing Station: IL-CK-458 : Chicago 3.3 S
Oct 13, 2025 - Mar 26, 2026111 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.38"
March 1-26, 2026(23 of 26 days covered by obs)
NOAA Normal
1.90"
Departure from Normal
1.48" : 178% of Normal
Year-To-Date: 6.26"
Jan 1 to Mar 26, 2026(80 of 85 days covered by obs)
NOAA Normal
5.67"
Departure from Normal
0.59" : 110% of Normal
Water Year-To-Date: 10.65"
Oct 1, 2025 to Mar 26, 2026(157 of 177 days covered by obs)
NOAA Normal
13.73"
Departure from Normal
-3.08" : 78% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.00
2.38
-0.38
Feb
1.77
2.11
-0.34
Mar
2.27
2.30
-0.03
Apr
3.74
3.80
-0.06
May
4.34
4.49
-0.15
Jun
4.11
4.52
-0.41
Jul
3.60
4.01
-0.41
Aug
4.09
4.11
-0.02
Sep
3.25
3.35
-0.10
Oct
3.49
3.86
-0.37
Nov
2.51
2.66
-0.15
Dec
2.06
2.44
-0.38
37.23
40.03
-2.80