Viewing Station: WI-MW-18 : West Allis 0.7 SSE
Oct 22, 2008 - Sep 15, 20266,449 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.35"
September 1-15, 2026(15 of 15 days covered by obs)
NOAA Normal
1.64"
Departure from Normal
-0.29" : 82% of Normal
Year-To-Date: 30.93"
Jan 1 to Sep 15, 2026(258 of 258 days covered by obs)
NOAA Normal
26.06"
Departure from Normal
4.87" : 119% of Normal
Water Year-To-Date: 36.47"
Oct 1, 2025 to Sep 15, 2026(350 of 350 days covered by obs)
NOAA Normal
32.95"
Departure from Normal
3.52" : 111% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.63
1.71
-0.08
Feb
1.59
1.69
-0.10
Mar
2.04
1.95
0.09
Apr
3.71
3.80
-0.09
May
3.78
3.87
-0.09
Jun
4.45
4.71
-0.26
Jul
3.48
3.56
-0.08
Aug
3.74
3.74
0.00
Sep
3.28
3.25
0.03
Oct
2.86
2.81
0.05
Nov
2.15
2.16
-0.01
Dec
1.88
1.98
-0.10
34.59
35.23
-0.64