Viewing Station: IL-WL-175 : Joliet 0.7 WNW
Jul 8, 2021 - Jul 18, 20251,467 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.14"
July 1-19, 2025(18 of 19 days covered by obs)
NOAA Normal
2.55"
Departure from Normal
-0.41" : 84% of Normal
Year-To-Date: 17.58"
Jan 1 to Jul 19, 2025(199 of 200 days covered by obs)
NOAA Normal
21.45"
Departure from Normal
-3.87" : 82% of Normal
Water Year-To-Date: 23.80"
Oct 1, 2024 to Jul 19, 2025(291 of 292 days covered by obs)
NOAA Normal
29.42"
Departure from Normal
-5.62" : 81% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.02
2.04
-0.02
Feb
1.76
1.87
-0.11
Mar
2.35
2.36
-0.01
Apr
3.79
3.83
-0.04
May
4.57
4.61
-0.04
Jun
4.41
4.45
-0.04
Jul
4.16
4.20
-0.04
Aug
3.97
3.93
0.04
Sep
3.27
3.28
-0.01
Oct
3.30
3.28
0.02
Nov
2.57
2.47
0.10
Dec
2.10
2.10
0.00
38.27
38.42
-0.15