Viewing Station: IL-LK-39 : Riverwoods 0.4 ENE
Apr 12, 2008 - Jun 22, 20255,756 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.65"
June 1-23, 2025(22 of 23 days covered by obs)
NOAA Normal
3.43"
Departure from Normal
-1.78" : 48% of Normal
Year-To-Date: 10.55"
Jan 1 to Jun 23, 2025(169 of 174 days covered by obs)
NOAA Normal
17.36"
Departure from Normal
-6.81" : 61% of Normal
Water Year-To-Date: 16.96"
Oct 1, 2024 to Jun 23, 2025(261 of 266 days covered by obs)
NOAA Normal
25.06"
Departure from Normal
-8.10" : 68% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.88
1.98
-0.10
Feb
1.77
1.90
-0.13
Mar
2.22
2.26
-0.04
Apr
3.74
3.70
0.04
May
4.32
4.44
-0.12
Jun
4.47
4.25
0.22
Jul
3.78
3.62
0.16
Aug
3.78
3.80
-0.02
Sep
3.34
3.31
0.03
Oct
3.20
3.28
-0.08
Nov
2.45
2.41
0.04
Dec
2.05
2.09
-0.04
37.00
37.04
-0.04