Viewing Station: CA-SF-20 : San Francisco 3.1 W
Jan 18, 2021 - Jun 20, 20251,238 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
June 1-21, 2025(5 of 21 days covered by obs)
NOAA Normal
0.15"
Departure from Normal
-0.15" : 0% of Normal
Year-To-Date: 9.39"
Jan 1 to Jun 21, 2025(132 of 172 days covered by obs)
NOAA Normal
16.45"
Departure from Normal
-7.06" : 57% of Normal
Water Year-To-Date: 20.58"
Oct 1, 2024 to Jun 21, 2025(208 of 264 days covered by obs)
NOAA Normal
26.04"
Departure from Normal
-5.46" : 79% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
4.97
4.63
0.34
Feb
5.02
4.96
0.06
Mar
3.69
3.45
0.24
Apr
1.80
1.51
0.29
May
0.82
0.79
0.03
Jun
0.21
0.21
0.00
Jul
0.01
0.02
-0.01
Aug
0.06
0.06
0.00
Sep
0.12
0.11
0.01
Oct
1.18
1.02
0.16
Nov
2.90
2.63
0.27
Dec
5.51
5.71
-0.20
26.29
25.10
1.19