I don't know where you got 1,800 visits and 4,000 pages per day from.
Day Number of visits Pages Hits Bandwidth
15 Aug 2011 4,380 25,257 407,230 9.78 GB
16 Aug 2011 4,288 23,805 399,928 7.07 GB
17 Aug 2011 4,284 11,347 383,627 5.97 GB
18 Aug 2011 4,277 22,300 398,949 6.55 GB
19 Aug 2011 4,066 16,821 375,278 6.47 GB
20 Aug 2011 3,402 9,444 314,269 5.90 GB
21 Aug 2011 3,629 15,503 362,407 6.84 GB
22 Aug 2011 4,736 13,762 452,318 8.50 GB
23 Aug 2011 4,798 25,736 515,841 10.39 GB
24 Aug 2011 4,451 17,527 432,338 8.68 GB
25 Aug 2011 4,281 12,581 393,860 10.12 GB
26 Aug 2011 4,194 14,664 384,754 8.71 GB
27 Aug 2011 3,582 10,529 363,511 16.01 GB
28 Aug 2011 3,791 17,239 392,639 12.14 GB