Viewing Station: CA-SF-17 : San Francisco 1.6 SE
Oct 9, 1998 - Mar 26, 20262,025 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.06"
March 1-27, 2026(23 of 27 days covered by obs)
NOAA Normal
2.95"
Departure from Normal
-2.89" : 2% of Normal
Year-To-Date: 8.48"
Jan 1 to Mar 27, 2026(82 of 86 days covered by obs)
NOAA Normal
12.04"
Departure from Normal
-3.56" : 70% of Normal
Water Year-To-Date: 17.29"
Oct 1, 2025 to Mar 27, 2026(174 of 178 days covered by obs)
NOAA Normal
20.69"
Departure from Normal
-3.40" : 84% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
4.53
3.97
0.56
Feb
4.56
4.33
0.23
Mar
3.39
2.99
0.40
Apr
1.61
1.24
0.37
May
0.74
0.70
0.04
Jun
0.18
0.20
-0.02
Jul
0.01
0.02
-0.01
Aug
0.05
0.05
0.00
Sep
0.10
0.10
0.00
Oct
1.07
0.89
0.18
Nov
2.62
2.35
0.27
Dec
4.96
5.07
-0.11
23.82
21.91
1.91