Viewing Station: IL-WL-103 : Joliet 1.8 NNE
May 18, 2012 - Aug 2, 20261,602 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.54"
August 1-5, 2026(2 of 5 days covered by obs)
NOAA Normal
0.65"
Departure from Normal
2.89" : 549% of Normal
Year-To-Date: 32.43"
Jan 1 to Aug 5, 2026(214 of 217 days covered by obs)
NOAA Normal
23.69"
Departure from Normal
8.74" : 137% of Normal
Water Year-To-Date: 37.90"
Oct 1, 2025 to Aug 5, 2026(306 of 309 days covered by obs)
NOAA Normal
31.75"
Departure from Normal
6.15" : 119% 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