Viewing Station: CA-SC-3 : Sunnyvale 1.9 SE
Sep 28, 2008 - Dec 19, 20256,236 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.05"
December 1-19, 2025(19 of 19 days covered by obs)
NOAA Normal
2.16"
Departure from Normal
-2.11" : 2% of Normal
Year-To-Date: 11.43"
Jan 1 to Dec 19, 2025(352 of 353 days covered by obs)
NOAA Normal
16.86"
Departure from Normal
-5.43" : 68% of Normal
Water Year-To-Date: 5.05"
Oct 1, 2025 to Dec 19, 2025(80 of 80 days covered by obs)
NOAA Normal
4.68"
Departure from Normal
0.37" : 108% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.59
2.85
0.74
Feb
3.72
3.09
0.63
Mar
2.82
2.19
0.63
Apr
1.27
1.02
0.25
May
0.57
0.42
0.15
Jun
0.12
0.13
-0.01
Jul
0.00
0.00
0.00
Aug
0.02
0.02
0.00
Sep
0.07
0.05
0.02
Oct
0.74
0.56
0.18
Nov
1.78
1.28
0.50
Dec
3.52
2.61
0.91
18.22
14.22
4.00