Viewing Station: CA-SF-21 : San Francisco 3.4 S
Aug 30, 2021 - May 30, 20261,358 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
June 1-1, 2026(0 of 1 days covered by obs)
NOAA Normal
0.01"
Departure from Normal
-0.01" : 0% of Normal
Year-To-Date: 13.63"
Jan 1 to Jun 1, 2026(145 of 152 days covered by obs)
NOAA Normal
14.86"
Departure from Normal
-1.23" : 92% of Normal
Water Year-To-Date: 22.96"
Oct 1, 2025 to Jun 1, 2026(222 of 244 days covered by obs)
NOAA Normal
23.50"
Departure from Normal
-0.54" : 98% 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