Viewing Station: IL-WL-100 : Joliet 2.9 WNW
Jul 31, 2012 - Jun 22, 20254,077 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.60"
June 1-23, 2025(22 of 23 days covered by obs)
NOAA Normal
3.40"
Departure from Normal
-0.80" : 77% of Normal
Year-To-Date: 14.14"
Jan 1 to Jun 23, 2025(173 of 174 days covered by obs)
NOAA Normal
17.80"
Departure from Normal
-3.66" : 79% of Normal
Water Year-To-Date: 20.01"
Oct 1, 2024 to Jun 23, 2025(265 of 266 days covered by obs)
NOAA Normal
25.71"
Departure from Normal
-5.70" : 78% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.01
2.05
-0.04
Feb
1.74
1.87
-0.13
Mar
2.32
2.36
-0.04
Apr
3.76
3.83
-0.07
May
4.57
4.60
-0.03
Jun
4.43
4.45
-0.02
Jul
4.12
4.17
-0.05
Aug
3.97
3.91
0.06
Sep
3.24
3.29
-0.05
Oct
3.28
3.29
-0.01
Nov
2.55
2.49
0.06
Dec
2.08
2.11
-0.03
38.07
38.42
-0.35