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