| Northern | ||||||||||||||
| Rk | Team | Affiliate | W | L | Pct | Gbl | RF | RA | Manager | Stadium | Attendance | Top Batter | Top Pitcher | Playoffs |
| 1 | Bellingham Mariners | SEA | 41 | 31 | .569 | 1.0 | 406 | 406 | Jeff Scott | Joe Martin Field | 31,741 | Ramon Estepa (5) | Scott Stranski (23) | |
| 2 | Victoria Mussels | - | 41 | 31 | .569 | 1.0 | 476 | 358 | Bill Bryk | Royal Athletic Park | 9,073 | Emil Drzayich (8) | Edward Koziol (2) | |
| 3 | Walla Walla Padres | SD | 40 | 30 | .571 | -- | 371 | 355 | Curt Daniels | Borleske Stadium | 20,358 | Doug Lulay (2) | David Froelich (1) | Lost in Finals |
| 4 | Grays Harbor Loggers | NYM | 19 | 52 | .268 | 21.5 | 278 | 437 | Dan Monzon | Olympic Stadium | 16,665 | Doug Elliott (27) | Jesse Anderson (15) | |
| Southern | ||||||||||||||
| Rk | Team | Affiliate | W | L | Pct | Gbl | RF | RA | Manager | Stadium | Attendance | Top Batter | Top Pitcher | Playoffs |
| 1 | Central Oregon Phillies ** | PHI | 43 | 28 | .606 | -- | 435 | 380 | Anthony Stutz | Vince Genna Stadium | 18,610 | Julio Franco (1) | John Palmieri (12) | League Champions |
| 2 | Medford A's | OAK | 38 | 33 | .535 | 5.0 | 378 | 402 | Rich Morales | Miles Field | 34,656 | Bobby Garrett (3) | Charles Dougherty (6) | |
| 3 | Salem Senators | - | 33 | 39 | .458 | 10.5 | 368 | 388 | Gene Lanthorn | 15,904 | John Seefried (4) | Richard Aspenieiter (8) | ||
| 4 | Eugene Emeralds | CIN | 30 | 41 | .423 | 13.0 | 316 | 375 | Greg Riddoch | Civic Stadium | 66,156 | Greg Jackson (13) | Frank DeJiulio (3) | |