Viewing Station: CA-SF-21 : San Francisco 3.4 S
Aug 30, 2021 - Jul 16, 20251,067 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.02"
July 1-16, 2025(15 of 16 days covered by obs)
NOAA Normal
0.01"
Departure from Normal
0.01" : 388% of Normal
Year-To-Date: 7.81"
Jan 1 to Jul 16, 2025(188 of 197 days covered by obs)
NOAA Normal
15.05"
Departure from Normal
-7.24" : 52% of Normal
Water Year-To-Date: 19.43"
Oct 1, 2024 to Jul 16, 2025(271 of 289 days covered by obs)
NOAA Normal
23.69"
Departure from Normal
-4.26" : 82% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
4.50
4.25
0.25
Feb
4.56
4.54
0.02
Mar
3.39
3.19
0.20
Apr
1.64
1.42
0.22
May
0.76
0.72
0.04
Jun
0.19
0.20
-0.01
Jul
0.01
0.02
-0.01
Aug
0.05
0.06
-0.01
Sep
0.12
0.10
0.02
Oct
1.09
0.94
0.15
Nov
2.61
2.31
0.30
Dec
4.94
4.96
-0.02
23.86
22.71
1.15