Thanks for sending me the file. There doesn't seem to be any particular difficulty with the HTML structure on first inspection.
If you don't find the table structure for treating HTML reports intuitive, it's sometimes helpful to print the file as a text-based PDF and build a more conventional model that way.
As you're based in the US I'd suggest contacting Datawatch's model-building service (http://www.datawatch.com/services/model-building.asp[/url]) if you need the model built.
Treating HTML data is also covered on the advanced Monarch training course (http://www.datawatch.com/services/training-seminars.asp[/url]).