First of all, thank you Carlos for your reply and advice.

Unfortunately though it appears I already made some beginner mistakes, as I was misting him with tap water (I won't do this again if he's still there when I get back) and it's too late for the bowls of water as I'm already gone out of town. And as for moving the plants closer to the edge -- they actually are already as close as they can be -- it's just these particular apartments have a ledge on the roof that extends outwards far enough to where it makes getting rain to the porches nearly impossible.

I guess I'll just have to hope for the best at this point and hope the little fella makes it on his own.