Viewing Station: WI-WK-51 : Waukesha 1.6 NW
Apr 8, 2017 - Sep 15, 20262,254 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.21"
September 1-15, 2026(15 of 15 days covered by obs)
NOAA Normal
1.64"
Departure from Normal
-0.43" : 74% of Normal
Year-To-Date: 25.69"
Jan 1 to Sep 15, 2026(169 of 258 days covered by obs)
NOAA Normal
26.78"
Departure from Normal
-1.09" : 96% of Normal
Water Year-To-Date: 28.26"
Oct 1, 2025 to Sep 15, 2026(213 of 350 days covered by obs)
NOAA Normal
33.64"
Departure from Normal
-5.38" : 84% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.64
1.63
0.01
Feb
1.60
1.57
0.03
Mar
1.98
1.92
0.06
Apr
3.65
3.66
-0.01
May
3.98
3.95
0.03
Jun
4.65
4.72
-0.07
Jul
3.84
3.81
0.03
Aug
3.80
3.90
-0.10
Sep
3.29
3.15
0.14
Oct
2.86
2.77
0.09
Nov
2.15
2.09
0.06
Dec
1.84
1.89
-0.05
35.28
35.06
0.22