Viewing Station: IL-WL-174 : Joliet 0.8 E
Jul 13, 2021 - Apr 29, 20261,185 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 7.03"
April 1-29, 2026(28 of 29 days covered by obs)
NOAA Normal
3.66"
Departure from Normal
3.37" : 192% of Normal
Year-To-Date: 7.03"
Jan 1 to Apr 29, 2026(34 of 119 days covered by obs)
NOAA Normal
9.81"
Departure from Normal
-2.78" : 72% of Normal
Water Year-To-Date: 9.90"
Oct 1, 2025 to Apr 29, 2026(105 of 211 days covered by obs)
NOAA Normal
17.79"
Departure from Normal
-7.89" : 56% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.02
2.04
-0.02
Feb
1.77
1.87
-0.10
Mar
2.36
2.36
0.00
Apr
3.79
3.82
-0.03
May
4.58
4.61
-0.03
Jun
4.43
4.44
-0.01
Jul
4.16
4.21
-0.05
Aug
4.01
3.93
0.08
Sep
3.29
3.28
0.01
Oct
3.31
3.28
0.03
Nov
2.57
2.47
0.10
Dec
2.10
2.09
0.01
38.39
38.40
-0.01