Whittier Narrows Dam Summary

Compiled: 18May2024 0205

Warning: This automatically generated report has not been screened for errors.
Last Report Reservoir Gages
Location
Elev
(ft-msl)
Storage
(ac-ft)
%
Full
Outflow
(cfs)
Average Inflow
Date Time Date Time cfs
Whittier Narrows Dam - Reservoir Gages
18May 0100 WN Rio Hondo 185.05 3 0.0 262 --- --- -M-
18May 0100 WN San Gabriel 200.24 3 0.0 78 --- --- -M-
Last Report Precipitation Gages
Location
Totals (inches)
Date Time 1 Hour 3 Hour 6 Hour 24 Hour
Precipitation Gages Above Rio Hondo Side
18May 0115 Sierra Madre-abv WN Rio Hondo 0.0 0.0 0.0 0.0
18May 0100 WN Rio Hondo 0.0 0.0 0.0 0.0
Precip Gages Above San Gabriel Side
18May 0100 Santa Fe 0.0 0.0 0.0 0.0
18May 0130 Big Dalton W-abv WN San Gabriel 0.0 0.0 0.0 0.0
18May 0115 San Dimas-abv WN San Gabriel 0.0 0.0 0.0 0.0
18May 0100 WN San Gabriel 0.0 0.0 0.0 0.0
Last Report Stream Gages
Location
Stream Flow Gage Height Change In Peak Flow (cfs)
Date Time (cfs) (% Full) (ft) (% Depth) Time (hr) Flow (cfs) Last 3 Days
Direct Inflow to Rio Hondo
18May 0100 Alhambra W-abv WN Rio Hondo 62 0.0 0.57 4.5 0.25 0 82
18May 0100 Garvey Ave-Rio Hondo abv WN 157 0.0 2.22 13.5 0.25 0 181
San Gabriel R below SNFE Dam, Big Dalton Wash, Walnut & San Jose Creeks
18May 0130 Peck Rd-SGR abv WN 25 0.0 4.01 22.7 0.25 0 64
18May 0115 Santa Fe DS-SGR 0 0.0 8.19 30.4 0.25 0 0
18May 0130 Big Dalton W-abv WN San Gabriel 7 0.0 0.07 0.5 0.25 0 11
18May 0130 Walnut Ck-abv WN San Gabriel 26 0.0 0.17 1.2 0.25 0 26
Downstream - Rio Hondo and Los Angeles R
18May 0130 Beverly Blvd-Rio Hondo blw WN 379 0.0 1.8 10.9 0.25 0 505
18May 0130 Stewart and Gray-Rio Hondo blw WN 17 0.0 0.2 1.1 0.25 0 17
18May 0115 Firestone Blvd-LAR abv Rio Hondo 65 0.0 1.6 8.9 0.25 0 65
18May 0100 Wardlow-LAR at Long Beach 133 0.0 1.31 5.7 0.25 -3 163
Downstream - San Gabriel R
18May 0100 Parkway-SGR blw WN 15 0.0 0.5 3.8 0.25 0 16
18May 0130 Florence Ave-SGR in Downey 6 0.0 0.27 2.1 0.25 0 6
18May 0130 Spring St-SGR in Long Beach 69 0.0 1.36 7.8 0.25 5 94