| Northern | ||||||||||||||
| Rk | Team | Affiliate | W | L | Pct | Gbl | RF | RA | Manager | Stadium | Attendance | Top Batter | Top Pitcher | Playoffs |
| 1 | Grays Harbor Loggers ** | - | 47 | 23 | .671 | -- | 374 | 272 | Bill Bryk | Olympic Stadium | 19,842 | Paul Stevens (6) | Francis Hirschy (1) | League Champions |
| 2 | Walla Walla Padres | SD | 45 | 24 | .652 | 1.5 | 478 | 422 | Cliff Ditto | Borleske Stadium | 51,488 | Mobil Cox (1) | Steve Fireovid (3) | |
| 3 | Bellingham Mariners | SEA | 41 | 30 | .577 | 6.5 | 361 | 404 | Bob Didier | Joe Martin Field | 29,739 | Michael Moore (13) | Rodney Hobbs (8) | |
| 4 | Victoria Mussels | - | 29 | 40 | .420 | 17.5 | 366 | 385 | Jim Chapman | Royal Athletic Park | 10,103 | Douglas Morganti (24) | Dale Mohorcic (6) | |
| Southern | ||||||||||||||
| Rk | Team | Affiliate | W | L | Pct | Gbl | RF | RA | Manager | Stadium | Attendance | Top Batter | Top Pitcher | Playoffs |
| 1 | Eugene Emeralds | CIN | 36 | 34 | .514 | -- | 388 | 385 | Greg Riddoch | Civic Stadium | 50,505 | Kevin Jacobson (7) | Bill Scherrer (5) | Lost in Finals |
| 2 | Bend Timber Hawks | OAK | 35 | 37 | .486 | 2.0 | 435 | 426 | Edward Nottle | Vince Genna Stadium | 14,420 | Vernon Armstead (2) | Keith Atherton (4) | |
| 3 | Salem Senators | - | 25 | 44 | .362 | 10.5 | 376 | 416 | Carl Thompson | 8,140 | Grady Fuson (11) | Edward Andersen (9) | ||
| 4 | Boise Buckskins | - | 23 | 49 | .319 | 14.0 | 438 | 597 | Gerry Craft | 23,126 | Nick Belmonte (3) | Ray Odermott (18) | ||