Viewing Station: IL-WL-100 : Joliet 2.9 WNW
Jul 31, 2012 - Jul 19, 20254,104 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.01"
July 1-19, 2025(19 of 19 days covered by obs)
NOAA Normal
2.53"
Departure from Normal
-0.52" : 80% of Normal
Year-To-Date: 16.51"
Jan 1 to Jul 19, 2025(200 of 200 days covered by obs)
NOAA Normal
21.36"
Departure from Normal
-4.85" : 77% of Normal
Water Year-To-Date: 22.38"
Oct 1, 2024 to Jul 19, 2025(292 of 292 days covered by obs)
NOAA Normal
29.27"
Departure from Normal
-6.89" : 76% 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