Interesting results based on different KPI. My previous post outlined something similar but I used the highest payout of posts when they were created.
Check it out: https://steemit.com/steemit/@brianjuice/what-s-the-best-time-to-post-for-the-most-value-2017626t92724846z
Thanks for the pointer, I'll incorporate into the post. You should make another post on how you made the statistics :-)