| Week | Rank | Rate | Record | SOS | Opponent | Score | Rank Then | Rank Now |
| 1 | 726 | -0.500 | (0,1) | 0.500 | Vanderbilt | 28 to 35 | 1 | 147 |
| 2 | 424 | -0.500 | (0,2) | 0.500 | Stanford | 24 to 37 | 29 | 88 |
| 3 | 136 | 2.816 | (1,2) | 3.149 | Albany NY | 31 to 20 | 215 | 100 |
| 4 | 194 | 0.836 | (1,3) | 1.336 | Oregon | 10 to 55 | 42 | 6 |
| 5 | 157 | 0.948 | (2,3) | 1.148 | New Mexico St | 20 to 17 | 269 | 77 |
| 6 | 140 | 0.957 | (2,4) | 1.290 | UNLV | 20 to 44 | 46 | 47 |
| 7 | 137 | 0.969 | (2,4) | 1.302 | --bye-- |
| 8 | 155 | 0.859 | (2,5) | 1.288 | San Diego St | 34 to 41 | 80 | 134 |
| 9 | 183 | 0.697 | (2,6) | 1.197 | New Mexico | 21 to 42 | 157 | 146 |
| 10 | 190 | 0.700 | (2,7) | 1.255 | San Jose St | 0 to 35 | 90 | 67 |
| 11 | 157 | 0.826 | (3,7) | 1.226 | Nevada | 27 to 14 | 145 | 190 |
| 12 | 120 | 1.004 | (4,7) | 1.276 | Air Force | 27 to 13 | 50 | 54 |
| 13 | 133 | 0.972 | (4,8) | 1.305 | Wyoming | 9 to 42 | 37 | 33 |
| 14 | 115 | 1.116 | (5,8) | 1.346 | Colorado St | 27 to 24 | 123 | 128 |
| 15 | 115 | 1.029 | (5,8) | 1.260 | --bye-- |
| 16 | 117 | 1.030 | (5,8) | 1.260 | --bye-- |
| 17 | 121 | 1.009 | (5,8) | 1.240 | --bye-- |
| 18 | 118 | 1.014 | (5,8) | 1.244 | --bye-- |
| 19 | | | | | --bye-- |
| 20 | | | | | --bye-- |