Viewing Station: CA-LA-143 : Altadena 1.9 W
Sep 21, 2024 - May 11, 2025203 Total Observations
View:

Climatology

Precipitation Normals Comparison

Month-To-Date: 0.44"
May 1-11, 2025(11 of 11 days covered by obs)
NOAA Normal
0.18"
Departure from Normal
0.26" : 243% of Normal
Year-To-Date: 10.23"
Jan 1 to May 11, 2025(131 of 131 days covered by obs)
NOAA Normal
14.41"
Departure from Normal
-4.18" : 71% of Normal
Water Year-To-Date: 10.30"
Oct 1, 2024 to May 11, 2025(223 of 223 days covered by obs)
NOAA Normal
19.63"
Departure from Normal
-9.33" : 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