That is extremely useful. As a matter of fact, I would love it if you would copy that into the database.
I thought our climates were similar (here it also doesn't rain from November till May/June) but our hottest months come in July and August which can be miserable with the constant daily rain and heavy humidity.
Your native white is a 'Plumeria obtusa' type, and possibly you could have Plumeria alba there, recognizable by its very distinctive leaves. I need to download a picture into the database, as a matter of fact.
Thanks for posting this!