It seems that when we get close to making a move up in the ratings we always get a lot of people voting that don't every day. It also happens on other sites as we get close to bumping them .... As of the latest update at 16:27 (guessing that's about 4:27pm PST) ... we're only 7 down from #5!
No calculator here Jed - been throwing the numbers for the Top 10 Sites into a spreadsheet since we hit #10 back on 11 Dec 04. That's how I can track everyone's averages ....
Just FWIW - when I came to DC back around Aug/Sept '04 - we were about #48 in the Top 100! Just look at us now!
Since we have several members in the PST time zone ... I wouldn't doubt that we could hit #5 sometime later this evening!