Viewing Station: CA-SN-121 : Santa Rosa 2.1 NNE
Nov 3, 2015 - Dec 18, 20253,582 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.28"
December 1-19, 2025(18 of 19 days covered by obs)
NOAA Normal
4.45"
Departure from Normal
-4.17" : 6% of Normal
Year-To-Date: 26.04"
Jan 1 to Dec 19, 2025(352 of 353 days covered by obs)
NOAA Normal
31.78"
Departure from Normal
-5.74" : 82% of Normal
Water Year-To-Date: 7.74"
Oct 1, 2025 to Dec 19, 2025(79 of 80 days covered by obs)
NOAA Normal
9.70"
Departure from Normal
-1.96" : 80% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
6.71
5.77
0.94
Feb
6.58
5.98
0.60
Mar
4.83
4.41
0.42
Apr
2.24
2.18
0.06
May
1.29
1.24
0.05
Jun
0.26
0.30
-0.04
Jul
0.01
0.03
-0.02
Aug
0.03
0.05
-0.02
Sep
0.13
0.15
-0.02
Oct
1.69
1.58
0.11
Nov
3.56
3.25
0.31
Dec
7.26
6.34
0.92
34.59
31.28
3.31