This is the Mobil 1, 5w-40, ie Delvac 1 and not their 5w-30. You can tell by the absence of MoDTC and the presence of approx 400 ppm of magnesium.
Since you live in Florida, the regular M1/10w-30 will probably work best. I see no advantage in going with the 5w-40, based on this data set.
TS