Viewing Station: CA-SC-42 : Sunnyvale 3.6 S (W6NW)
Sep 25, 2011 - Sep 17, 20254,873 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 0.30"
September 1-17, 2025(16 of 17 days covered by obs)
NOAA Normal
0.04"
Departure from Normal
0.26" : 756% of Normal
Year-To-Date: 6.72"
Jan 1 to Sep 17, 2025(249 of 260 days covered by obs)
NOAA Normal
12.15"
Departure from Normal
-5.43" : 55% of Normal
Water Year-To-Date: 12.18"
Oct 1, 2024 to Sep 17, 2025(341 of 352 days covered by obs)
NOAA Normal
18.19"
Departure from Normal
-6.01" : 67% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.59
3.35
0.24
Feb
3.72
3.50
0.22
Mar
2.82
2.49
0.33
Apr
1.27
1.04
0.23
May
0.57
0.41
0.16
Jun
0.12
0.13
-0.01
Jul
0.00
0.00
0.00
Aug
0.02
0.03
-0.01
Sep
0.07
0.05
0.02
Oct
0.74
0.64
0.10
Nov
1.78
1.45
0.33
Dec
3.52
3.03
0.49
18.22
16.12
2.10