Viewing Station: CA-SN-115 : Sonoma 0.4 SSE
Mar 27, 2015 - Dec 22, 2025810 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.67"
December 1-22, 2025(7 of 22 days covered by obs)
NOAA Normal
3.70"
Departure from Normal
-1.03" : 72% of Normal
Year-To-Date: 21.53"
Jan 1 to Dec 22, 2025(102 of 356 days covered by obs)
NOAA Normal
24.54"
Departure from Normal
-3.01" : 88% of Normal
Water Year-To-Date: 7.63"
Oct 1, 2025 to Dec 22, 2025(52 of 83 days covered by obs)
NOAA Normal
7.74"
Departure from Normal
-0.11" : 99% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
5.16
5.16
0.00
Feb
5.12
5.11
0.01
Mar
3.64
3.43
0.21
Apr
1.63
1.64
-0.01
May
0.90
0.94
-0.04
Jun
0.22
0.20
0.02
Jul
0.00
0.00
0.00
Aug
0.04
0.05
-0.01
Sep
0.09
0.07
0.02
Oct
1.34
1.43
-0.09
Nov
2.70
2.54
0.16
Dec
5.22
5.10
0.12
26.06
25.67
0.39