Viewing Station: CA-SN-6 : Santa Rosa 3.1 W
Nov 10, 2008 - May 30, 20265,420 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.97"
May 1-31, 2026(30 of 31 days covered by obs)
NOAA Normal
1.11"
Departure from Normal
-0.14" : 87% of Normal
Year-To-Date: 15.89"
Jan 1 to May 31, 2026(150 of 151 days covered by obs)
NOAA Normal
19.90"
Departure from Normal
-4.01" : 80% of Normal
Water Year-To-Date: 28.79"
Oct 1, 2025 to May 31, 2026(241 of 243 days covered by obs)
NOAA Normal
31.47"
Departure from Normal
-2.68" : 91% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
6.20
6.01
0.19
Feb
6.19
6.05
0.14
Mar
4.35
4.35
0.00
Apr
2.05
2.13
-0.08
May
1.11
1.24
-0.13
Jun
0.27
0.32
-0.05
Jul
0.01
0.02
-0.01
Aug
0.03
0.05
-0.02
Sep
0.13
0.12
0.01
Oct
1.53
1.60
-0.07
Nov
3.40
3.22
0.18
Dec
6.64
6.12
0.52
31.91
31.23
0.68