Viewing Station: IL-LK-39 : Riverwoods 0.4 ENE
Apr 12, 2008 - Mar 28, 20266,030 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 5.03"
March 1-28, 2026(25 of 28 days covered by obs)
NOAA Normal
2.01"
Departure from Normal
3.02" : 251% of Normal
Year-To-Date: 6.80"
Jan 1 to Mar 28, 2026(80 of 87 days covered by obs)
NOAA Normal
5.66"
Departure from Normal
1.14" : 120% of Normal
Water Year-To-Date: 13.52"
Oct 1, 2025 to Mar 28, 2026(172 of 179 days covered by obs)
NOAA Normal
13.36"
Departure from Normal
0.16" : 101% 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