Viewing Station: WI-BT-14 : Oakland 9.0 ENE
Jun 19, 2018 - Sep 15, 20262,616 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.21"
September 1-15, 2026(14 of 15 days covered by obs)
NOAA Normal
1.79"
Departure from Normal
-0.58" : 67% of Normal
Year-To-Date: 18.88"
Jan 1 to Sep 15, 2026(253 of 258 days covered by obs)
NOAA Normal
23.24"
Departure from Normal
-4.36" : 81% of Normal
Water Year-To-Date: 22.12"
Oct 1, 2025 to Sep 15, 2026(342 of 350 days covered by obs)
NOAA Normal
29.15"
Departure from Normal
-7.03" : 76% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.83
0.81
0.02
Feb
0.87
0.88
-0.01
Mar
1.46
1.48
-0.02
Apr
2.68
2.77
-0.09
May
3.59
3.75
-0.16
Jun
4.13
4.24
-0.11
Jul
4.09
4.28
-0.19
Aug
3.80
3.93
-0.13
Sep
3.59
3.56
0.03
Oct
3.05
3.08
-0.03
Nov
1.65
1.65
0.00
Dec
1.20
1.25
-0.05
30.94
31.68
-0.74