Viewing Station: IL-WL-103 : Joliet 1.8 NNE
May 18, 2012 - Apr 7, 20261,490 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.56"
April 1-8, 2026(7 of 8 days covered by obs)
NOAA Normal
1.02"
Departure from Normal
1.54" : 252% of Normal
Year-To-Date: 10.24"
Jan 1 to Apr 8, 2026(97 of 98 days covered by obs)
NOAA Normal
7.19"
Departure from Normal
3.05" : 142% of Normal
Water Year-To-Date: 15.71"
Oct 1, 2025 to Apr 8, 2026(189 of 190 days covered by obs)
NOAA Normal
15.25"
Departure from Normal
0.46" : 103% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.04
2.06
-0.02
Feb
1.79
1.88
-0.09
Mar
2.34
2.40
-0.06
Apr
3.81
3.85
-0.04
May
4.50
4.64
-0.14
Jun
4.42
4.49
-0.07
Jul
4.14
4.21
-0.07
Aug
4.00
3.97
0.03
Sep
3.32
3.28
0.04
Oct
3.34
3.32
0.02
Nov
2.60
2.47
0.13
Dec
2.12
2.11
0.01
38.42
38.68
-0.26