Viewing Station: WI-WK-26 : Oconomowoc 4.5 SE
May 10, 2011 - May 18, 2026929 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.47"
May 1-18, 2026(2 of 18 days covered by obs)
NOAA Normal
2.33"
Departure from Normal
-1.86" : 20% of Normal
Year-To-Date: 4.81"
Jan 1 to May 18, 2026(7 of 138 days covered by obs)
NOAA Normal
11.10"
Departure from Normal
-6.29" : 43% of Normal
Water Year-To-Date: 5.87"
Oct 1, 2025 to May 18, 2026(13 of 230 days covered by obs)
NOAA Normal
17.91"
Departure from Normal
-12.04" : 33% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.61
1.62
-0.01
Feb
1.54
1.59
-0.05
Mar
1.97
2.02
-0.05
Apr
3.65
3.70
-0.05
May
4.02
4.07
-0.05
Jun
4.75
4.81
-0.06
Jul
3.96
3.97
-0.01
Aug
3.86
3.98
-0.12
Sep
3.32
3.28
0.04
Oct
2.82
2.83
-0.01
Nov
2.19
2.16
0.03
Dec
1.80
1.87
-0.07
35.49
35.90
-0.41