Viewing Station: CA-SC-41 : Los Altos Hills 1.3 N
Oct 5, 2011 - May 10, 20253,788 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.08"
May 1-11, 2025(10 of 11 days covered by obs)
NOAA Normal
0.23"
Departure from Normal
-0.15" : 35% of Normal
Year-To-Date: 8.02"
Jan 1 to May 11, 2025(130 of 131 days covered by obs)
NOAA Normal
13.06"
Departure from Normal
-5.04" : 61% of Normal
Water Year-To-Date: 13.81"
Oct 1, 2024 to May 11, 2025(222 of 223 days covered by obs)
NOAA Normal
20.02"
Departure from Normal
-6.21" : 69% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
4.09
3.62
0.47
Feb
4.09
3.85
0.24
Mar
3.18
2.77
0.41
Apr
1.47
1.25
0.22
May
0.64
0.45
0.19
Jun
0.14
0.14
0.00
Jul
0.01
0.00
0.01
Aug
0.02
0.03
-0.01
Sep
0.08
0.06
0.02
Oct
0.85
0.70
0.15
Nov
2.04
1.73
0.31
Dec
4.07
3.56
0.51
20.68
18.16
2.52