| Week | Rank | Rate | Record | SOS | Opponent | Score | Rank Then | Rank Now |
| 0 | 9 | 0.000 | (0,0) | 0.000 | --bye-- |
| 1 | 7 | 0.500 | (1,0) | -0.500 | San Diego | 41 to 17 | 518 | 182 |
| 2 | 607 | -1.114 | (1,1) | -1.114 | Utah | 9 to 63 | 575 | 12 |
| 3 | 200 | 0.620 | (2,1) | 0.286 | W Oregon | 56 to 7 | 444 | 261 |
| 4 | 154 | 0.825 | (2,2) | 0.825 | SF Austin | 17 to 35 | 86 | 115 |
| 5 | 132 | 1.023 | (3,2) | 0.823 | CS Sacramento | 32 to 24 | 205 | 148 |
| 6 | 142 | 0.942 | (3,3) | 0.942 | UC Davis | 27 to 34 | 57 | 81 |
| 7 | 132 | 1.031 | (3,4) | 1.174 | Montana | 9 to 28 | 37 | 33 |
| 8 | 125 | 1.017 | (3,4) | 1.159 | --bye-- |
| 9 | 135 | 0.964 | (3,5) | 1.214 | Montana St | 17 to 34 | 67 | 68 |
| 10 | 162 | 0.805 | (3,6) | 1.138 | Portland St | 35 to 40 | 243 | 243 |
| 11 | | | | | Idaho St | | | 187 |
| 12 | | | | | Northern Arizona | | | 131 |
| 13 | | | | | E Washington | | | 189 |
| 14 | | | | | --bye-- |
| 15 | | | | | --bye-- |
| 16 | | | | | --bye-- |
| 17 | | | | | --bye-- |
| 18 | | | | | --bye-- |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |
| 21 | | | | | --bye-- |