Viewing Station: IL-LK-143 : Winthrop Harbor 1.7 W
Aug 5, 2026 - Aug 13, 20268 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.41"
August 1-13, 2026(8 of 13 days covered by obs)
NOAA Normal
1.50"
Departure from Normal
-0.09" : 94% of Normal
Year-To-Date: 1.41"
Jan 1 to Aug 13, 2026(8 of 225 days covered by obs)
NOAA Normal
22.44"
Departure from Normal
-21.03" : 6% of Normal
Water Year-To-Date: 1.41"
Oct 1, 2025 to Aug 13, 2026(8 of 317 days covered by obs)
NOAA Normal
29.92"
Departure from Normal
-28.51" : 5% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.75
1.91
-0.16
Feb
1.73
1.84
-0.11
Mar
2.24
2.35
-0.11
Apr
3.75
3.87
-0.12
May
4.02
4.11
-0.09
Jun
4.15
4.10
0.05
Jul
3.30
3.41
-0.11
Aug
3.58
3.47
0.11
Sep
3.36
3.43
-0.07
Oct
3.23
3.17
0.06
Nov
2.37
2.37
0.00
Dec
1.88
2.08
-0.20
35.36
36.11
-0.75