| WEEK 1 | WEEK 2 | WEEK 3 | WEEK 4 | WEEK 5 | WEEK 6 | WEEK 7 | WEEK 8 | WEEK 9 | WEEK 10 | WEEK 11 | WEEK 12 | |
| 1 | Arizona (18) | Arizona (18) | Arizona (18) | Arizona (20) | Arizona (20) | Arizona (20) | UCLA (20) | UCLA (20) | UCLA (20) | Arizona (12) | Arizona (12) | UCLA (17) |
| 2 | UCLA (2) | UCLA | UCLA | UCLA | UCLA | UCLA | Arizona | Arizona | Arizona | UCLA (8) | UCLA (8) | Arizona (3) |
| 3 | Fresno State | Fresno State | Fresno State | Fresno State | Fresno State | Cal State Fullerton | Cal State Fullerton | Fresno State | Fresno State | Cal State Fullerton | Cal State Fullerton | UNLV |
| 4 | Cal State Fullerton | UNLV | UNLV | UNLV | Cal State Fullerton | Fresno State | Fresno State | Cal State Fullerton | Cal State Fullerton | Fresno State | UNLV | Cal State Fullerton |
| 5 | UNLV | Cal State Fullerton | Cal State Fullerton | Michigan | UNLV | Michigan | UNLV | UNLV | UNLV | Southwestern Louisiana | Fresno State | USL |
| 6 | Cal State Northridge | Cal State Northridge | California | Cal State Fullerton | Michigan | UNLV | Southwestern Louisiana | Southwestern Louisiana | Southwestern Louisiana | UNLV | Southwestern Louisiana | Iowa |
| 7 | California | California | Cal State Northridge | Cal State Northridge | Cal State Northridge | Cal State Sacramento | Cal State Sacramento | Cal State Northridge | Michigan | Cal State Northridge | Cal State Northridge | Cal State Northridge |
| 8 | Nebraska | Michigan | Michigan | Hawaii | South Carolina | Cal State Northridge | Cal State Northridge | Cal State Sacramento | Cal State Northridge | Michigan | Cal State Sacramento | Fresno State |
| 9 | Hawaii | Hawaii | Florida State | Florida State | Cal State Sacramento | Southwestern Louisiana | Michigan | Michigan | Cal State Sacramento | Cal State Sacramento | Michigan | Michigan |
| 10 | Michigan | Nebraska | Hawaii | South Carolina | Southwestern Louisiana | California | California | California | Florida State | Florida State | Florida State | Hawaii |
| 11 | Oklahoma State | South Carolina | South Carolina | California | Florida State | South Carolina | South Carolina | Florida State | California | Hawaii | California | Florida State |
| 12 | Florida State | Florida State | Nebraska | Cal State Sacramento | Nebraska | Missouri | Missouri | Hawaii | Hawaii | California | Oklahoma State | Oklahoma |
| 13 | Texas A&M | Oklahoma State | Cal State Sacramento | Nebraska | California | Florida State | Florida State | South Carolina | Oklahoma State | Oklahoma State | Hawaii | Princeton |
| 14 | Southwestern Louisiana | Missouri | Missouri | Missouri | Hawaii | Hawaii | Hawaii | Oklahoma State | South Carolina | South Carolina | South Carolina | California |
| 15 | South Carolina | Cal State Sacramento | Oklahoma State | Southwestern Louisiana | Missouri | Nebraska | Nebraska | Missouri | Missouri | Nebraska | Nebraska | Washington |
| 16 | Missouri | Cal Poly San Luis Obispo | Kansas | Illinois-Chicago | Washington | Illinois-Chicago | Illinois- Chicago | Nebraska | Oklahoma | Oklahoma | Nicholls State | South Carolina |
| 17 | Cal State Sacramento | Kansas | Cal Poly San Luis Obispo | Cal Poly San Luis Obispo | Cal Poly San Luis Obispo | Oklahoma State | Nicholls State | Washington | Nicholls State | Nicholls State | Oklahoma | Oklahoma State |
| 18 | Oklahoma | Texas A&M | Southwestern Louisiana | Oklahoma State | Illinois-Chicago | Washington | Oklahoma State | Nicholls State | Nebraska | Missouri | Missouri | Nebraska |
| 19 | Notre Dame | Southwestern Louisiana | Illinois-Chicago | Nicholls State | Oklahoma State | Nicholls State | Washington | Illinois-Chicago | Washington | Illinois-Chicago | Washington | Notre Dame |
| 20 | Kansas | Oklahoma | Texas A&M | Washington | Nicholls State | Cal Poly San Luis Obispo | Oklahoma | Oklahoma | Illinois-Chicago | Washington | Illinois-Chicago | Nicholls State |
| 21 | Long Beach State | Notre Dame | Nicholls State | Kansas | Kansas | Notre Dame | Notre Dame | Notre Dame | Princeton | Louisiana Tech | Louisiana Tech | Cal State Sacramento |
| 22 | Pacific | Washington | Notre Dame | Texas A&M | Notre Dame | Oklahoma | Cal Poly San Luis Obispo | Princeton | Cal Poly San Luis Obispo | Princeton | Princeton | Illinois-Chicago |
| 23 | Washington | Nicholls State | Washington | Notre Dame | Oklahoma | Princeton | Princeton | Cal Poly San Luis Obispo | Notre Dame | Cal Poly San Luis Obispo | Illinois State | Missouri |
| 24 | Cal Poly San Luis Obispo | Virginia | Oklahoma | Princeton | Texas A&M | Kansas | Iowa | Iowa | Louisiana Tech | Illinois State | Cal Poly San Luis Obispo | Illinois State |
| 25 | Minnesota | South Florida | Virginia | Oklahoma | Princeton (tie) | Texas A&M | Kansas | Louisiana Tech | Iowa | Notre Dame | Northwestern | Connecticut |
| Iowa State (tie) | ||||||||||||