Viewing Station: OR-DG-22 : Oakland 4.5 W
Jan 23, 2008 - May 30, 20266,598 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.56"
May 1-30, 2026(30 of 30 days covered by obs)
NOAA Normal
2.18"
Departure from Normal
-1.62" : 26% of Normal
Year-To-Date: 15.10"
Jan 1 to May 30, 2026(150 of 150 days covered by obs)
NOAA Normal
20.70"
Departure from Normal
-5.60" : 73% of Normal
Water Year-To-Date: 27.83"
Oct 1, 2025 to May 30, 2026(242 of 242 days covered by obs)
NOAA Normal
37.32"
Departure from Normal
-9.49" : 75% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
6.07
6.43
-0.36
Feb
4.43
4.80
-0.37
Mar
4.62
4.73
-0.11
Apr
3.40
3.48
-0.08
May
2.25
2.34
-0.09
Jun
1.10
1.17
-0.07
Jul
0.29
0.34
-0.05
Aug
0.31
0.39
-0.08
Sep
1.01
1.13
-0.12
Oct
3.00
3.17
-0.17
Nov
6.03
6.12
-0.09
Dec
7.59
8.21
-0.62
40.10
42.31
-2.21