Viewing Station: IL-WL-100 : Joliet 2.9 WNW
Jul 31, 2012 - Aug 24, 20264,498 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 9.92"
August 1-24, 2026(24 of 24 days covered by obs)
NOAA Normal
3.07"
Departure from Normal
6.85" : 323% of Normal
Year-To-Date: 36.81"
Jan 1 to Aug 24, 2026(236 of 236 days covered by obs)
NOAA Normal
26.02"
Departure from Normal
10.79" : 141% of Normal
Water Year-To-Date: 42.44"
Oct 1, 2025 to Aug 24, 2026(328 of 328 days covered by obs)
NOAA Normal
33.93"
Departure from Normal
8.51" : 125% 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