| Week | Rank | Rate | Record | SOS | Opponent | Score | Rank Then | Rank Now |
| 1 | 40 | 0.000 | (0,0) | 0.000 | --bye-- |
| 2 | 424 | -0.500 | (0,1) | 0.500 | Howard Payne | 3 to 17 | 29 | 594 |
| 3 | 505 | -0.167 | (1,1) | -0.167 | Pacific OR | 14 to 9 | 603 | 696 |
| 4 | 615 | -1.127 | (1,2) | -0.794 | Claremont-Mudd-Scripps | 7 to 16 | 403 | 454 |
| 5 | 637 | -1.154 | (1,2) | -0.821 | --bye-- |
| 6 | 680 | -1.335 | (1,3) | -0.835 | Lewis & Clark OR | 31 to 37 | 616 | 587 |
| 7 | 709 | -1.509 | (1,4) | -0.909 | Puget Sound | 27 to 29 | 684 | 668 |
| 8 | 680 | -1.263 | (1,5) | -0.597 | Linfield | 13 to 41 | 298 | 397 |
| 9 | 666 | -1.126 | (2,5) | -0.697 | Willamette | 63 to 10 | 676 | 720 |
| 10 | 626 | -0.904 | (3,5) | -0.654 | Pacific Lutheran | 35 to 25 | 573 | 602 |
| 11 | 634 | -0.947 | (3,6) | -0.614 | Whitworth | 13 to 24 | 307 | 329 |
| 12 | 600 | -0.811 | (4,6) | -0.611 | Pacific OR | 45 to 42 | 666 | 696 |
| 13 | 606 | -0.826 | (4,6) | -0.626 | --bye-- |
| 14 | 624 | -0.957 | (4,6) | -0.757 | --bye-- |
| 15 | 621 | -1.010 | (4,6) | -0.810 | --bye-- |
| 16 | 634 | -1.069 | (4,6) | -0.869 | --bye-- |
| 17 | 637 | -1.084 | (4,6) | -0.884 | --bye-- |
| 18 | 637 | -1.100 | (4,6) | -0.900 | --bye-- |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |