Viewing Station: CA-SN-181 : Sebastopol 3.2 WNW
Mar 10, 2023 - Dec 22, 2025149 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 5.26"
December 1-22, 2025(3 of 22 days covered by obs)
NOAA Normal
5.88"
Departure from Normal
-0.62" : 90% of Normal
Year-To-Date: 34.73"
Jan 1 to Dec 22, 2025(49 of 356 days covered by obs)
NOAA Normal
37.20"
Departure from Normal
-2.47" : 93% of Normal
Water Year-To-Date: 13.50"
Oct 1, 2025 to Dec 22, 2025(19 of 83 days covered by obs)
NOAA Normal
11.91"
Departure from Normal
1.59" : 113% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
7.90
7.99
-0.09
Feb
7.70
7.79
-0.09
Mar
5.24
5.42
-0.18
Apr
2.66
2.64
0.02
May
1.27
1.43
-0.16
Jun
0.32
0.41
-0.09
Jul
0.01
0.02
-0.01
Aug
0.04
0.07
-0.03
Sep
0.15
0.17
-0.02
Oct
1.83
1.98
-0.15
Nov
4.20
4.38
-0.18
Dec
8.28
8.53
-0.25
39.60
40.83
-1.23