Viewing Station: CA-SM-51 : Redwood City 3.3 SSW
Sep 12, 2025 - Dec 22, 2025102 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.23"
December 1-22, 2025(22 of 22 days covered by obs)
NOAA Normal
2.66"
Departure from Normal
-2.43" : 9% of Normal
Year-To-Date: 4.07"
Jan 1 to Dec 22, 2025(102 of 356 days covered by obs)
NOAA Normal
17.99"
Departure from Normal
-13.92" : 23% of Normal
Water Year-To-Date: 4.07"
Oct 1, 2025 to Dec 22, 2025(83 of 83 days covered by obs)
NOAA Normal
5.37"
Departure from Normal
-1.30" : 76% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.82
3.66
0.16
Feb
3.74
3.55
0.19
Mar
2.95
2.77
0.18
Apr
1.34
1.25
0.09
May
0.55
0.47
0.08
Jun
0.12
0.13
-0.01
Jul
0.00
0.01
-0.01
Aug
0.03
0.04
-0.01
Sep
0.07
0.07
0.00
Oct
0.82
0.77
0.05
Nov
1.89
1.69
0.20
Dec
3.75
3.66
0.09
19.08
18.07
1.01