Another FWIW...
“Frank Luntz ;@FrankLuntz · 1h1 hour ago
One day before Election Day 2012, FLORIDA Dems led early voting 43% vs. 40%.
This year, GOPs lead 41.2% vs. 40.75%.”
As you say, this is only one day of 2016 vs all of 2012.
To be precise in 2012 it was 42.9 DEM and 39.1 GOP. Sear those percentages in your memory and compare to this year.
http://www.electproject.org/2012_early_vote
Scroll down to Florida. Every decimal counts this election.