I think that varies by the day of the week and the time of the year. I know I post a lot more this time of the year because of the Easter Hatchalong. Spring is also a time when people who have never had chickens are considering it so find BYC and ask bunches of questions.
Maybe Moderator will...
It says closed because no one can guess at this point since the deadline to guess was February 20. Now we wait to see how long it takes to reach 19 million posts, then we will know who was closest. :caf