Viewing Station: CA-MR-5 : San Anselmo 0.4 NE
Oct 31, 2008 - Dec 19, 20254,531 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.10"
December 1-19, 2025(18 of 19 days covered by obs)
NOAA Normal
4.52"
Departure from Normal
-4.42" : 2% of Normal
Year-To-Date: 25.16"
Jan 1 to Dec 19, 2025(305 of 353 days covered by obs)
NOAA Normal
31.17"
Departure from Normal
-6.01" : 81% of Normal
Water Year-To-Date: 7.33"
Oct 1, 2025 to Dec 19, 2025(62 of 80 days covered by obs)
NOAA Normal
9.58"
Departure from Normal
-2.25" : 77% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
6.73
7.53
-0.80
Feb
6.72
8.15
-1.43
Mar
4.63
5.30
-0.67
Apr
2.11
2.25
-0.14
May
0.96
1.06
-0.10
Jun
0.23
0.25
-0.02
Jul
0.01
0.01
0.00
Aug
0.11
0.05
0.06
Sep
0.09
0.10
-0.01
Oct
1.51
1.60
-0.09
Nov
3.55
3.74
-0.19
Dec
7.37
8.53
-1.16
34.02
38.57
-4.55