$45,549 for Wednesday the 19th. Down 13.1% from Tuesday and 34.5% from last Wednesday. Per screen average was $150.
Domestic total is $256,083,762. Also, BOM updated Star Trek's international figures; the increase wasn't much but hey, every extra little bit is still nice. So, the foreign total for the film is $126,385,382.
Worldwide total: 382,469,144.
ETA - Star Trek will be losing another 32 theatres (10.6%) this weekend, giving it a total of 271 locations. Not too bad... pretty much what one would expect at this point, anyway.