Viewing Station: CA-SM-47 : Half Moon Bay 0.4 NNE
Dec 30, 2022 - Aug 15, 2026781 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.11"
August 1-15, 2026(2 of 15 days covered by obs)
NOAA Normal
0.03"
Departure from Normal
0.08" : 379% of Normal
Year-To-Date: 15.73"
Jan 1 to Aug 15, 2026(95 of 227 days covered by obs)
NOAA Normal
15.86"
Departure from Normal
-0.13" : 99% of Normal
Water Year-To-Date: 26.86"
Oct 1, 2025 to Aug 15, 2026(187 of 319 days covered by obs)
NOAA Normal
24.39"
Departure from Normal
2.47" : 110% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
4.75
5.11
-0.36
Feb
4.71
4.92
-0.21
Mar
3.55
3.65
-0.10
Apr
1.75
1.96
-0.21
May
0.81
1.00
-0.19
Jun
0.23
0.36
-0.13
Jul
0.03
0.07
-0.04
Aug
0.06
0.13
-0.07
Sep
0.13
0.18
-0.05
Oct
1.18
1.22
-0.04
Nov
2.40
2.39
0.01
Dec
4.95
5.06
-0.11
24.55
26.05
-1.50