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2005-2006 HYDROLOGIC REPORT
Sections
Introduction
Los Angeles County
Flood Control and Water Conservation
Precipitation
Evaporation
Runoff
Reservoirs
Erosion Control
Water Conservation
Acknowledgments
Disclaimer
Precipitation Contents
Indices
Active Stations
Daily Rainfall
Location Map
PRECIPITATION
RAINFALL INDICES
USING SELECTED STATIONS
FOR THE PERIOD OCTOBER 1, 2005 THROUGH SEPTEMBER 30, 2006
Area
Percent
of
Area
Seasonal
Normal
(inches)
Total
Percipitation
to Date
Percent of
Seasonnal
Normal
A. Coastal Plain
14.1%
13.71
9.33
68%
B. San Fernando Valley
7.9%
17.62
16.59
94%
C. San Gabriel Valley
7.5%
17.64
14.57
83%
D. San Gabriel Mountains
13.4%
27.50
27.38
100%
E. Little Rock, Big Rock
4.5%
18.61
16.49
89%
F. Santa Monica Mountains
5.7%
19.96
18.82
94%
G. Santa Clara
18.9%
16.64
15.50
93%
H. Desert
28.0%
7.83
9.32
120%
County*
100.0%
15.65
14.75
94%
Los Angeles (Station No. 716)
15.51
10.39
67%
Cogswell Dam (Station No. 334-B)
32.88
28.86
68%