Viewing Station: CA-SM-45 : Redwood City 2.5 S
Dec 21, 2021 - Aug 24, 2026716 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
September 1-20, 2026(0 of 20 days covered by obs)
NOAA Normal
0.05"
Departure from Normal
-0.05" : 0% of Normal
Year-To-Date: 10.21"
Jan 1 to Sep 20, 2026(212 of 263 days covered by obs)
NOAA Normal
12.60"
Departure from Normal
-2.39" : 81% of Normal
Water Year-To-Date: 16.79"
Oct 1, 2025 to Sep 20, 2026(276 of 355 days covered by obs)
NOAA Normal
19.06"
Departure from Normal
-2.27" : 88% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.82
3.53
0.29
Feb
3.74
3.51
0.23
Mar
2.95
2.70
0.25
Apr
1.34
1.24
0.10
May
0.55
0.47
0.08
Jun
0.12
0.13
-0.01
Jul
0.00
0.00
0.00
Aug
0.03
0.04
-0.01
Sep
0.07
0.07
0.00
Oct
0.82
0.73
0.09
Nov
1.89
1.65
0.24
Dec
3.75
3.59
0.16
19.08
17.66
1.42