Viewing Station: CA-LA-23 : Diamond Bar 1.9 NNE
Jul 6, 2010 - Jun 12, 20223,770 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
June 1-17, 2026(0 of 17 days covered by obs)
NOAA Normal
0.05"
Departure from Normal
-0.05" : 0% of Normal
Year-To-Date: 0.00"
Jan 1 to Jun 17, 2026(0 of 168 days covered by obs)
NOAA Normal
11.13"
Departure from Normal
-11.13" : 0% of Normal
Water Year-To-Date: 0.00"
Oct 1, 2025 to Jun 17, 2026(0 of 260 days covered by obs)
NOAA Normal
14.93"
Departure from Normal
-14.93" : 0% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.56
3.58
-0.02
Feb
3.98
4.20
-0.22
Mar
2.30
2.55
-0.25
Apr
0.87
0.89
-0.02
May
0.37
0.34
0.03
Jun
0.08
0.11
-0.03
Jul
0.03
0.05
-0.02
Aug
0.02
0.01
0.01
Sep
0.12
0.14
-0.02
Oct
0.56
0.78
-0.22
Nov
0.90
1.04
-0.14
Dec
2.34
2.76
-0.42
15.13
16.45
-1.32