Viewing Station: CA-SD-18 : Chula Vista 6.3E
Dec 25, 2008 - Sep 10, 20266,282 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
September 1-10, 2026(10 of 10 days covered by obs)
NOAA Normal
0.04"
Departure from Normal
-0.04" : 0% of Normal
Year-To-Date: 5.79"
Jan 1 to Sep 10, 2026(253 of 253 days covered by obs)
NOAA Normal
7.63"
Departure from Normal
-1.84" : 76% of Normal
Water Year-To-Date: 9.25"
Oct 1, 2025 to Sep 10, 2026(346 of 345 days covered by obs)
NOAA Normal
10.79"
Departure from Normal
-1.54" : 86% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.13
2.20
-0.07
Feb
2.40
2.66
-0.26
Mar
1.81
1.79
0.02
Apr
0.85
0.85
0.00
May
0.27
0.30
-0.03
Jun
0.06
0.09
-0.03
Jul
0.04
0.06
-0.02
Aug
0.03
0.03
0.00
Sep
0.12
0.13
-0.01
Oct
0.45
0.52
-0.07
Nov
0.95
0.91
0.04
Dec
1.76
1.82
-0.06
10.87
11.36
-0.49