Viewing Station: CA-SN-61 : Santa Rosa 1.3 NW
Feb 1, 2009 - May 25, 20266,149 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.52"
May 1-25, 2026(25 of 25 days covered by obs)
NOAA Normal
1.00"
Departure from Normal
-0.48" : 52% of Normal
Year-To-Date: 15.37"
Jan 1 to May 25, 2026(145 of 145 days covered by obs)
NOAA Normal
20.39"
Departure from Normal
-5.02" : 75% of Normal
Water Year-To-Date: 29.42"
Oct 1, 2025 to May 25, 2026(237 of 237 days covered by obs)
NOAA Normal
32.18"
Departure from Normal
-2.76" : 91% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
6.41
5.69
0.72
Feb
6.23
5.90
0.33
Mar
4.62
4.17
0.45
Apr
2.13
2.15
-0.02
May
1.24
1.23
0.01
Jun
0.26
0.31
-0.05
Jul
0.01
0.02
-0.01
Aug
0.03
0.05
-0.02
Sep
0.13
0.14
-0.01
Oct
1.63
1.55
0.08
Nov
3.42
3.20
0.22
Dec
6.74
6.23
0.51
32.85
30.64
2.21