I came to the same conclusion without the awesome data you presented. I feel like most of the Whales and Dolphins live on the East coast and are sleeping. My post I just put up mentioned this and it is stalling. Just glancing shows that we both put a lot of time into our posts. https://steemit.com/steem/@brianphobos/how-steemit-is-like-tinder-detailed-explanation-and-advice