Viewing Station: CA-SN-121 : Santa Rosa 2.1 NNE
Nov 3, 2015 - Sep 15, 20263,844 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.44"
September 1-16, 2026(15 of 16 days covered by obs)
NOAA Normal
0.07"
Departure from Normal
0.37" : 635% of Normal
Year-To-Date: 16.06"
Jan 1 to Sep 16, 2026(258 of 259 days covered by obs)
NOAA Normal
22.02"
Departure from Normal
-5.96" : 73% of Normal
Water Year-To-Date: 31.26"
Oct 1, 2025 to Sep 16, 2026(350 of 351 days covered by obs)
NOAA Normal
34.53"
Departure from Normal
-3.27" : 91% 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