Viewing Station: WI-WK-120 : Oconomowoc 6.3 SSE
Apr 6, 2022 - Sep 15, 2026225 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.00"
September 1-15, 2026(15 of 15 days covered by obs)
NOAA Normal
1.67"
Departure from Normal
-0.67" : 60% of Normal
Year-To-Date: 19.76"
Jan 1 to Sep 15, 2026(146 of 258 days covered by obs)
NOAA Normal
27.09"
Departure from Normal
-7.33" : 73% of Normal
Water Year-To-Date: 19.76"
Oct 1, 2025 to Sep 15, 2026(146 of 350 days covered by obs)
NOAA Normal
33.93"
Departure from Normal
-14.17" : 58% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.64
1.63
0.01
Feb
1.57
1.61
-0.04
Mar
1.97
2.01
-0.04
Apr
3.65
3.69
-0.04
May
4.04
4.10
-0.06
Jun
4.76
4.82
-0.06
Jul
3.96
3.93
0.03
Aug
3.82
3.94
-0.12
Sep
3.35
3.27
0.08
Oct
2.83
2.85
-0.02
Nov
2.20
2.16
0.04
Dec
1.82
1.90
-0.08
35.61
35.91
-0.30