Viewing Station: CA-LA-143 : Altadena 1.9 W
Sep 21, 2024 - Nov 19, 2025395 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 5.54"
November 1-20, 2025(19 of 20 days covered by obs)
NOAA Normal
0.85"
Departure from Normal
4.69" : 649% of Normal
Year-To-Date: 18.57"
Jan 1 to Nov 20, 2025(323 of 324 days covered by obs)
NOAA Normal
16.74"
Departure from Normal
1.83" : 111% of Normal
Water Year-To-Date: 8.16"
Oct 1, 2025 to Nov 20, 2025(50 of 51 days covered by obs)
NOAA Normal
1.64"
Departure from Normal
6.52" : 497% 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