Viewing Station: WI-WK-101 : Waukesha 4.0 NW
Apr 21, 2021 - May 18, 20261,114 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.65"
May 1-18, 2026(18 of 18 days covered by obs)
NOAA Normal
2.30"
Departure from Normal
-1.65" : 28% of Normal
Year-To-Date: 9.25"
Jan 1 to May 18, 2026(47 of 138 days covered by obs)
NOAA Normal
11.06"
Departure from Normal
-1.81" : 84% of Normal
Water Year-To-Date: 11.86"
Oct 1, 2025 to May 18, 2026(80 of 230 days covered by obs)
NOAA Normal
17.84"
Departure from Normal
-5.98" : 66% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.61
1.63
-0.02
Feb
1.55
1.58
-0.03
Mar
1.96
1.93
0.03
Apr
3.64
3.67
-0.03
May
3.96
3.97
-0.01
Jun
4.67
4.72
-0.05
Jul
3.86
3.85
0.01
Aug
3.82
3.90
-0.08
Sep
3.27
3.16
0.11
Oct
2.83
2.78
0.05
Nov
2.14
2.09
0.05
Dec
1.81
1.89
-0.08
35.12
35.17
-0.05