Viewing Station: IL-WL-85 : Joliet 2.7 NW
Mar 27, 2011 - Aug 24, 2026642 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 7.08"
August 1-24, 2026(24 of 24 days covered by obs)
NOAA Normal
3.10"
Departure from Normal
3.98" : 228% of Normal
Year-To-Date: 19.54"
Jan 1 to Aug 24, 2026(74 of 236 days covered by obs)
NOAA Normal
26.02"
Departure from Normal
-6.48" : 75% of Normal
Water Year-To-Date: 19.54"
Oct 1, 2025 to Aug 24, 2026(74 of 328 days covered by obs)
NOAA Normal
34.01"
Departure from Normal
-14.47" : 57% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.02
2.05
-0.03
Feb
1.76
1.88
-0.12
Mar
2.32
2.38
-0.06
Apr
3.79
3.84
-0.05
May
4.50
4.61
-0.11
Jun
4.43
4.47
-0.04
Jul
4.10
4.17
-0.07
Aug
4.01
3.93
0.08
Sep
3.26
3.29
-0.03
Oct
3.31
3.31
0.00
Nov
2.57
2.49
0.08
Dec
2.11
2.12
-0.01
38.18
38.54
-0.36