Viewing Station: CA-LA-143 : Altadena 1.9 W
Sep 21, 2024 - Jul 3, 2025247 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
July 1-4, 2025(3 of 4 days covered by obs)
NOAA Normal
0.00"
Departure from Normal
-0.00" : 0% of Normal
Year-To-Date: 10.30"
Jan 1 to Jul 4, 2025(175 of 185 days covered by obs)
NOAA Normal
14.87"
Departure from Normal
-4.57" : 69% of Normal
Water Year-To-Date: 10.37"
Oct 1, 2024 to Jul 4, 2025(267 of 277 days covered by obs)
NOAA Normal
20.09"
Departure from Normal
-9.72" : 52% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
4.56
4.58
-0.02
Feb
5.41
5.42
-0.01
Mar
3.12
3.64
-0.52
Apr
1.14
1.22
-0.08
May
0.51
0.69
-0.18
Jun
0.13
0.22
-0.09
Jul
0.03
0.08
-0.05
Aug
0.01
0.02
-0.01
Sep
0.19
0.21
-0.02
Oct
0.79
0.91
-0.12
Nov
1.28
1.11
0.17
Dec
3.15
3.13
0.02
20.32
21.23
-0.91