| Northern | ||||||||||||||
| Rk | Team | Affiliate | W | L | Pct | Gbl | RF | RA | Manager | Stadium | Attendance | Top Batter | Top Pitcher | Playoffs |
| 1 | Bellingham Mariners | SEA | 39 | 31 | .557 | -- | 364 | 353 | Jeff Scott | Joe Martin Field | 21,390 | Chip Conklin (6) | Mark Langston (11) | Lost in Finals |
| 2 | Bend Phillies | PHI | 31 | 139 | .182 | 58.0 | 383 | 421 | P.J. Carey | Vince Genna Stadium | 28,909 | Bernardo Howard (2) | Brian Hunter (3) | |
| 3 | Walla Walla Padres | SD | 29 | 41 | .414 | 10.0 | 377 | 438 | Greg Riddoch | Borleske Stadium | 19,719 | Mark Gillaspie (1) | Jim Giacomazzi (4) | |
| Southern | ||||||||||||||
| Rk | Team | Affiliate | W | L | Pct | Gbl | RF | RA | Manager | Stadium | Attendance | Top Batter | Top Pitcher | Playoffs |
| 1 | Medford A's ** | OAK | 42 | 28 | .600 | -- | 404 | 338 | Brad Fisher | Miles Field | 54,243 | Kevin Coughlin (4) | Robert Vavrock (5) | League Champions |
| 2 | Salem Senators | CAL | 36 | 34 | .514 | 6.0 | 370 | 361 | Rick Ingalls | Chemeketa Community Colle | 30,174 | Bill Worden (14) | Tim Kammeyer (1) | |
| 3 | Eugene Emeralds | CIN | 33 | 37 | .471 | 9.0 | 395 | 370 | Bill Bryk | Civic Stadium | 85,073 | Eric Davis (3) | Curt Heidenreich (2) | |