For grahical views of Lake Mead data try the Java-based DVTools applet. See the archive page
if you would like to download the complete set of data for Lake Mead.
The LakeMead profile data is also available in a weekly format
-- both in HTML files to view with your browser and in XLS spreadsheet
files to view with Excel:
Lake Mead - Sentinel Island Site Weekly
Lake Mead - Las Vegas Bay C Site Weekly
Lake Mead - Lower Las Vegas Bay SiteWeekly