Fanboy my temps are similar to yours, though it will also stay in the 60s indefinitely if lightly loaded in cool weather. I have a large aftermarket cooler only - the radiator heat exchanger is bypassed. My pickup is on the pipe that comes out of the box to the cooler.
That hexadecimal stuff is too clever for me! Ya know, Forscan is open source, so why not apply your skills to improving that...?