Viewing Station: WI-PC-37 : Spring Valley 5.2 SW
Mar 28, 2021 - Sep 15, 20262,140 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.29"
September 1-15, 2026(15 of 15 days covered by obs)
NOAA Normal
1.79"
Departure from Normal
-0.50" : 72% of Normal
Year-To-Date: 17.02"
Jan 1 to Sep 15, 2026(258 of 258 days covered by obs)
NOAA Normal
26.41"
Departure from Normal
-9.39" : 64% of Normal
Water Year-To-Date: 20.81"
Oct 1, 2025 to Sep 15, 2026(350 of 350 days covered by obs)
NOAA Normal
32.18"
Departure from Normal
-11.37" : 65% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.95
0.98
-0.03
Feb
0.98
0.97
0.01
Mar
1.83
1.86
-0.03
Apr
2.98
2.94
0.04
May
4.20
4.10
0.10
Jun
5.16
5.04
0.12
Jul
4.08
4.00
0.08
Aug
4.43
4.43
0.00
Sep
3.59
3.63
-0.04
Oct
2.78
2.71
0.07
Nov
1.73
1.73
0.00
Dec
1.26
1.34
-0.08
33.97
33.73
0.24