Viewing Station: CA-MR-25 : San Anselmo 2.0 NNW
Sep 13, 2013 - May 11, 20254,235 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
May 1-11, 2025(11 of 11 days covered by obs)
NOAA Normal
0.34"
Departure from Normal
-0.34" : 0% of Normal
Year-To-Date: 18.66"
Jan 1 to May 11, 2025(131 of 131 days covered by obs)
NOAA Normal
20.36"
Departure from Normal
-1.70" : 92% of Normal
Water Year-To-Date: 36.96"
Oct 1, 2024 to May 11, 2025(223 of 223 days covered by obs)
NOAA Normal
32.76"
Departure from Normal
4.20" : 113% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
6.67
7.85
-1.18
Feb
6.60
8.10
-1.50
Mar
4.66
5.23
-0.57
Apr
2.09
2.30
-0.21
May
0.96
1.16
-0.20
Jun
0.23
0.27
-0.04
Jul
0.01
0.01
0.00
Aug
0.08
0.05
0.03
Sep
0.09
0.11
-0.02
Oct
1.55
1.65
-0.10
Nov
3.58
3.83
-0.25
Dec
7.27
8.33
-1.06
33.79
38.89
-5.10