| Week | Rank | Rate | Record | SOS | Opponent | Score | Rank Then | Rank Now |
| 1 | 40 | 0.000 | (0,0) | 0.000 | --bye-- |
| 2 | 363 | 0.000 | (0,0) | 0.000 | --bye-- |
| 3 | 603 | -1.167 | (0,1) | -0.167 | St Olaf | 21 to 52 | 505 | 603 |
| 4 | 725 | -2.019 | (0,2) | -1.019 | Loras | 29 to 44 | 570 | 557 |
| 5 | 691 | -1.514 | (0,3) | -0.514 | Central IA | 16 to 41 | 394 | 425 |
| 6 | 706 | -1.506 | (0,4) | -0.506 | Nebraska Wesleyan | 10 to 35 | 488 | 647 |
| 7 | 710 | -1.517 | (0,5) | -0.517 | Wartburg | 0 to 54 | 356 | 269 |
| 8 | 732 | -1.677 | (0,6) | -0.677 | Buena Vista | 10 to 17 | 712 | 684 |
| 9 | 739 | -1.664 | (0,7) | -0.664 | Simpson | 14 to 56 | 633 | 662 |
| 10 | 731 | -1.598 | (0,8) | -0.598 | Coe | 2 to 64 | 380 | 402 |
| 11 | 741 | -1.714 | (0,9) | -0.714 | Lyon | 21 to 28 | 707 | 699 |
| 12 | 739 | -1.676 | (0,10) | -0.676 | Dubuque | 10 to 42 | 547 | 545 |
| 13 | 741 | -1.679 | (0,10) | -0.679 | --bye-- |
| 14 | 737 | -1.660 | (0,10) | -0.660 | --bye-- |
| 15 | 731 | -1.697 | (0,10) | -0.697 | --bye-- |
| 16 | 737 | -1.745 | (0,10) | -0.745 | --bye-- |
| 17 | 739 | -1.764 | (0,10) | -0.764 | --bye-- |
| 18 | 737 | -1.784 | (0,10) | -0.784 | --bye-- |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |