| 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 | 459 | 0.000 | (0,0) | 0.000 | --bye-- |
| 4 | 218 | 0.705 | (1,0) | -0.295 | San Diego | 23 to 12 | 438 | 409 |
| 5 | 253 | 0.477 | (1,1) | 0.477 | Bryant | 13 to 16 | 119 | 206 |
| 6 | 230 | 0.517 | (2,1) | 0.184 | Columbia | 10 to 7 | 281 | 301 |
| 7 | 248 | 0.470 | (2,2) | 0.470 | Lafayette | 9 to 12 | 95 | 126 |
| 8 | 286 | 0.290 | (2,3) | 0.490 | Brown | 27 to 28 | 165 | 230 |
| 9 | 230 | 0.535 | (3,3) | 0.535 | Harvard | 21 to 14 | 87 | 98 |
| 10 | 172 | 0.756 | (4,3) | 0.613 | Cornell NY | 14 to 3 | 241 | 302 |
| 11 | 226 | 0.575 | (4,4) | 0.575 | Dartmouth | 21 to 23 | 210 | 167 |
| 12 | 235 | 0.489 | (4,5) | 0.600 | Yale | 28 to 36 | 166 | 143 |
| 13 | 208 | 0.636 | (5,5) | 0.636 | Pennsylvania | 31 to 24 | 167 | 168 |
| 14 | 204 | 0.649 | (5,5) | 0.649 | --bye-- |
| 15 | 208 | 0.575 | (5,5) | 0.575 | --bye-- |
| 16 | 206 | 0.580 | (5,5) | 0.580 | --bye-- |
| 17 | 209 | 0.558 | (5,5) | 0.558 | --bye-- |
| 18 | 209 | 0.547 | (5,5) | 0.547 | --bye-- |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |