East
| League | Season | ||||||
| Won | Lost | Pct | Won | Lost | Pct | ||
| Prosser | 12 | 0 | 1.000 | 24 | 3 | 0.889 | State 1st |
| Grandview | 9 | 3 | 0.750 | 17 | 8 | 0.680 | State |
| Connell | 8 | 3 | 0.727 | 12 | 8 | 0.600 | |
| Royal | 4 | 7 | 0.364 | 6 | 12 | 0.333 | |
| Columbia (Burbank) | 3 | 8 | 0.273 | 6 | 12 | 0.333 | |
| Kiona-Benton | 2 | 8 | 0.200 | 3 | 12 | 0.200 | |
| River View | 0 | 9 | 0.000 | 1 | 16 | 0.059 | |
West
| League | Season | ||||||
| Won | Lost | Pct | Won | Lost | Pct | ||
| Naches Valley | 12 | 2 | 0.857 | 21 | 6 | 0.778 | State 5th |
| Zillah | 7 | 4 | 0.636 | 10 | 7 | 0.588 | |
| Cle Elum-Roslyn | 8 | 6 | 0.571 | 14 | 10 | 0.583 | |
| Goldendale | 8 | 6 | 0.571 | 14 | 13 | 0.519 | State |
| Wapato | 5 | 5 | 0.500 | 7 | 8 | 0.467 | |
| East Valley (Yakima) | 4 | 5 | 0.444 | 8 | 8 | 0.500 | |
| Toppenish | 1 | 9 | 0.100 | 2 | 14 | 0.125 | |
| Highland | 1 | 9 | 0.100 | 1 | 13 | 0.071 | |
Last Season: 1987-1988 Yakima Valley
Next Season: 1989-1990 Yakima Valley
1988-1989 boys Yakima Valley | Main Page | 1988-1989 TOC
For league: 41 - 49 in non-league games
Home team wins 50.0% of league games (7 - 7)
189 games; average margin: 17.05
median margin: 14
31 games five points or less margin (including overtime games)
68 games ten points or less margin (including overtime games)
84 league games; average margin: 19.14
median margin: 16.5
14 games five points or less margin (including overtime games)
27 games ten points or less margin (including overtime games)
| 11/26/88 | Bremerton 45, Highland 28 | Non-league |
| 11/29/88 | Wahluke 59, River View 27 | Non-league |
| 11/30/88 | Goldendale 55, Stevenson 12 | Non-league |
| 12/01/88 | at Cle Elum-Roslyn 58, Cascade (Leavenworth) 49 | Non-league |
| 12/01/88 | Glenwood 71, Goldendale 50 | Non-league |
| 12/01/88 | Prosser 65, Toppenish 37 | Non-league |
| 12/02/88 | at Prescott 49, Columbia (Burbank) 38 | Non-league |
| 12/02/88 | at East Valley (Yakima) 59, Ellensburg 45 | Non-league |
| 12/02/88 | Kittitas 52, at Royal 46 | Non-league |
| 12/02/88 | at Connell 69, Medical Lake 37 | Non-league |
| 12/02/88 | Sunnyside Christian 40, River View 13 | Non-league |
| 12/02/88 | Zillah 36, Mabton 23 | Non-league |
| 12/03/88 | at Chelan 64, Cle Elum-Roslyn 53 | Non-league |
| 12/03/88 | Colfax 63, at Connell 54 | Non-league |
| 12/03/88 | at Waitsburg 49, Columbia (Burbank) 27 | Non-league |
| 12/03/88 | Goldendale 53, Columbia (White Salmon) 47 | Non-league |
| 12/03/88 | at Kittitas 56, Highland 35 | Non-league |
| 12/03/88 | Naches Valley 56, Davis 39 | Non-league |
| 12/03/88 | Prosser 69, Othello 38 | Non-league |
| 12/03/88 | River View 37, Mabton 28 | Non-league |
| 12/03/88 | Sunnyside 56, Wapato 48 | Non-league |
| 12/03/88 | Sunnyside Christian 46, Zillah 33 | Non-league |
| 12/03/88 | West Valley (Yakima) 50, Grandview 38 | Non-league |
| 12/03/88 | White Swan 53, Toppenish 44 | Non-league |
| 12/06/88 | Chelan at Cle Elum-Roslyn | Non-league |
| 12/06/88 | Connell 57, Othello 51 | Non-league |
| 12/06/88 | Grandview 46, Sunnyside 41 | Non-league |
| 12/06/88 | at Naches Valley 45, Kittitas 38 | Non-league |
| 12/06/88 | Quincy 56, at Royal 44 | Non-league |
| 12/06/88 | at DeSales 65, River View 18 | Non-league |
| 12/06/88 | Sunnyside Christian 60, Kiona-Benton 33 | Non-league |
| 12/08/88 | at Cle Elum-Roslyn 59, Kittitas 42 | Non-league |
| 12/08/88 | Wapato 61, at Ellensburg 37 | Non-league |
| 12/09/88 | Columbia (Burbank) 60, Stanfield (OR) 51 | Non-league |
| 12/09/88 | at Medical Lake 43, Connell 39 | Non-league |
| 12/09/88 | East Valley (Yakima) 55, Kiona-Benton 40 | Non-league |
| 12/09/88 | at Cle Elum-Roslyn 62, Ellensburg 33 | Non-league |
| 12/09/88 | Grandview 61, Goldendale 44 | Non-league |
| 12/09/88 | Prosser 59, Naches Valley 49 | Non-league |
| 12/09/88 | Sunnyside 59, Toppenish 24 | Non-league |
| 12/10/88 | at Colfax 59, Connell 43 | Non-league |
| 12/10/88 | Goldendale 59, Highland 57 | |
| 12/10/88 | Prosser 59, Davis 37 | Non-league |
| 12/10/88 | Stanfield (OR) 33, Columbia (Burbank) 29 | Non-league |
| 12/10/88 | Wapato 45, Kiona-Benton 40 | Non-league |
| 12/10/88 | Warden 62, River View 23 | Non-league |
| 12/10/88 | Zillah 63, Granger 17 | Non-league |
| 12/13/88 | Columbia (Burbank) 47, Mabton 21 | Non-league |
| 12/13/88 | Connell 55, Othello 45 | Non-league |
| 12/13/88 | Hanford 68, Grandview 55 | Non-league |
| 12/13/88 | Naches Valley 66, Zillah 55 | |
| 12/13/88 | Sunnyside 74, East Valley (Yakima) 30 | Non-league |
| 12/13/88 | Sunnyside Christian 44, River View 29 | Non-league |
| 12/16/88 | Cle Elum-Roslyn 65, at East Valley (Yakima) 35 | |
| 12/16/88 | Connell 52, Grandview 40 | |
| 12/16/88 | Goldendale 54, Bickleton 40 | Non-league |
| 12/16/88 | Prosser 58, Columbia (Burbank) 26 | |
| 12/16/88 | Royal 45, River View 20 | |
| 12/17/88 | at Naches Valley 47, Cle Elum-Roslyn 37 | |
| 12/17/88 | Connell 56, Royal 35 | |
| 12/17/88 | East Valley (Yakima) 44, Zillah 35 | |
| 12/17/88 | Goldendale 61, Wapato 54 | |
| 12/17/88 | Grandview 59, River View 18 | |
| 12/17/88 | Highland 41, Toppenish 40 | |
| 12/17/88 | Kiona-Benton 46, Columbia (Burbank) 45 | |
| 12/17/88 | Prosser 71, Sunnyside 51 | Non-league |
| 12/20/88 | Grandview 51, Toppenish 31 | Non-league |
| 12/20/88 | Kiona-Benton 41, Mabton 27 | Non-league |
| 12/20/88 | Naches Valley 69, at Kittitas 52 | Non-league |
| 12/20/88 | Othello 66, Royal 61 | Non-league |
| 12/22/88 | Kittitas 46, at Highland 32 | Non-league |
| 12/22/88 | Royal 47, Bickleton 43 | Non-league |
| 12/22/88 | Touchet 52, at River View 31 | Non-league |
| 12/23/88 | at Warden 52, Royal 51 | Non-league |
| 12/27/88 | Connell 48, Naches Valley 43 | Non-league |
| 12/27/88 | Grandview 57, Wapato 46 | Non-league |
| 12/27/88 | Highland Alumni 52, Highland 47 | Non-league |
| 12/27/88 | Selah 57, Prosser 52 | Non-league |
| 12/27/88 | at Ellensburg 45, Toppenish 27 | Non-league |
| 12/27/88 | Zillah 70, Granger 14 | Non-league |
| 12/28/88 | at Ephrata 46, Connell 35 | Non-league |
| 12/28/88 | Hanford 70, Prosser 43 | Non-league |
| 12/28/88 | Naches Valley 41, Moses Lake 31 | Non-league |
| 12/29/88 | Toppenish 38, Kiona-Benton 32 | Non-league |
| 12/30/88 | at Cle Elum-Roslyn 58, Goldendale 49 OT | |
| 12/30/88 | Prosser 58, Wapato 41 | Non-league |
| 01/03/89 | Cle Elum-Roslyn 61, at Ellensburg 48 | Non-league |
| 01/03/89 | Prosser 58, Kiona-Benton 33 | |
| 01/03/89 | Royal 62, Mabton 24 | Non-league |
| 01/05/89 | Naches Valley 49, East Valley (Yakima) 41 | |
| 01/05/89 | at Cle Elum-Roslyn 58, Wapato 47 | |
| 01/06/89 | Columbia (Burbank) 47, River View 41 | |
| 01/06/89 | Goldendale 50, Toppenish 26 | |
| 01/06/89 | Prosser 51, Grandview 45 | |
| 01/06/89 | Royal 56, Kiona-Benton 43 | |
| 01/07/89 | Cle Elum-Roslyn 52, at Highland 36 | |
| 01/07/89 | Connell 75, Columbia (Burbank) 26 | |
| 01/07/89 | Grandview 54, Royal 23 | |
| 01/07/89 | Naches Valley 45, Toppenish 28 | |
| 01/07/89 | Zillah 52, Goldendale 48 | |
| 01/10/89 | Glenwood 51, Goldendale 33 | Non-league |
| 01/10/89 | Grandview 52, East Valley (Yakima) 41 | Non-league |
| 01/10/89 | Kiona-Benton 41, River View 22 | |
| 01/10/89 | Prosser 59, Connell 38 | |
| 01/10/89 | Royal 54, Columbia (Burbank) 42 | |
| 01/12/89 | Naches Valley 63, Wapato 55 | |
| 01/13/89 | Connell 65, River View 25 | |
| 01/13/89 | Grandview 65, Kiona-Benton 32 | |
| 01/13/89 | Prosser 73, Royal 52 | |
| 01/14/89 | Connell 72, Kiona-Benton 37 | |
| 01/14/89 | Goldendale 56, East Valley (Yakima) 43 | |
| 01/14/89 | Grandview 56, Columbia (Burbank) 28 | |
| 01/14/89 | Naches Valley 47, Highland 44 | |
| 01/14/89 | Prosser 72, River View 27 | |
| 01/14/89 | at Cle Elum-Roslyn 60, Toppenish 40 | |
| 01/14/89 | Zillah 63, Wapato 43 | |
| 01/17/89 | DeSales 45, at River View 25 | Non-league |
| 01/17/89 | Naches Valley 62, Goldendale 45 | |
| 01/17/89 | Waitsburg 36, at Columbia (Burbank) 26 | Non-league |
| 01/19/89 | Zillah 64, at Cle Elum-Roslyn 61 | |
| 01/20/89 | Grandview 49, Connell 48 | |
| 01/20/89 | Prosser 53, Columbia (Burbank) 38 | |
| 01/20/89 | Royal 55, River View 20 | |
| 01/21/89 | Columbia (Burbank) 63, Kiona-Benton 28 | |
| 01/21/89 | Connell 68, Royal 32 | |
| 01/21/89 | East Valley (Yakima) 58, at Cle Elum-Roslyn 52 | |
| 01/21/89 | Goldendale 52, Highland 48 | |
| 01/21/89 | Grandview 81, River View 18 | |
| 01/21/89 | Naches Valley 59, Zillah 43 | |
| 01/21/89 | Wapato 49, Toppenish 42 | |
| 01/24/89 | Columbia (Burbank) 54, Prescott 48 | Non-league |
| 01/24/89 | Selah 51, Grandview 39 | Non-league |
| 01/24/89 | Wapato 79, Goldendale 59 | |
| 01/26/89 | Naches Valley 67, at Cle Elum-Roslyn 54 | |
| 01/27/89 | Prosser 53, Grandview 36 | |
| 01/28/89 | at Wapato 54, Cle Elum-Roslyn 53 | |
| 01/28/89 | Connell 75, Columbia (Burbank) 26 | |
| 01/28/89 | Goldendale 46, Toppenish 30 | |
| 01/28/89 | Grandview 69, Royal 43 | |
| 01/28/89 | Naches Valley 57, East Valley (Yakima) 36 | |
| 01/28/89 | Prosser 72, Kiona-Benton 29 | |
| 01/28/89 | Zillah 66, Highland 44 | |
| 01/31/89 | Naches Valley 62, Highland 19 | |
| 02/02/89 | at Cle Elum-Roslyn 83, Highland 46 | |
| 02/02/89 | Toppenish 35, Naches Valley 33 | |
| 02/03/89 | Goldendale 63, Zillah 53 | |
| 02/04/89 | East Valley (Yakima) 55, Highland 41 | |
| 02/04/89 | Grandview 69, Columbia (Burbank) 47 | |
| 02/04/89 | Prosser 82, River View 38 | |
| 02/04/89 | Wapato 56, Naches Valley 53 | |
| 02/04/89 | Zillah 75, Toppenish 36 | |
| 02/07/89 | Cle Elum-Roslyn 45, at Toppenish 27 | |
| 02/07/89 | Goldendale 65, East Valley (Yakima) 56 | |
| 02/07/89 | Zillah 57, Wapato 34 | |
| 02/09/89 | at Zillah 52, Cle Elum-Roslyn 51 OT | |
| 02/09/89 | East Valley (Yakima) 50, Toppenish 35 | |
| 02/09/89 | Naches Valley 59, Goldendale 47 | |
| 02/09/89 | Wapato 68, Highland 49 | |
| 02/10/89 | Columbia (Burbank) 61, Royal 52 | |
| 02/10/89 | Grandview 79, Kiona-Benton 41 | |
| 02/10/89 | Prosser 56, Connell 50 | |
| 02/11/89 | Cle Elum-Roslyn 59, at Goldendale 56 | |
| 02/11/89 | Connell 69, Kiona-Benton 47 | |
| 02/11/89 | Prosser 59, Royal 45 | |
| 02/13/89 | East Valley (Yakima) 65, Cle Elum-Roslyn 48 | Yakima Valley West tiebreaker |
| 02/13/89 | Goldendale 57, Zillah 52 | Yakima Valley West tiebreaker |
| 02/14/89 | Cle Elum-Roslyn 61, Zillah 59 | Yakima Valley West tiebreaker (4th/loser out) |
| 02/16/89 | Prosser 53, Cle Elum-Roslyn 43 | D5 A Tournament |
| 02/18/89 | Cle Elum-Roslyn 60, Connell 54 | D5 A Tournament (loser out) |
| 02/18/89 | East Valley (Yakima) 69, Royal 58 | D5 A Tournament (loser out) |
| 02/18/89 | Grandview 42, Naches Valley 33 | D5 A Tournament (winner to state) |
| 02/18/89 | Prosser 58, Goldendale 51 | D5 A Tournament (winner to state) |
| 02/24/89 | Naches Valley 48, Cle Elum-Roslyn 41 | D5 A Tournament (loser out) |
| 02/24/89 | Goldendale 56, East Valley (Yakima) 41 | D5 A Tournament (winner to state/loser out) |
| 02/25/89 | Grandview 60, Prosser 57 | D5 A Tournament (1st/2nd) |
| 02/25/89 | Naches Valley 52, Goldendale 42 | D5 A Tournament (3rd/4th) |
| 03/01/89 | Grandview 40, Ephrata 37 | State A Tournament |
| 03/01/89 | Lynden Christian 56, Naches Valley 49 | State A Tournament |
| 03/01/89 | Prosser 61, Lynden 47 | State A Tournament |
| 03/01/89 | Toledo 56, Goldendale 47 | State A Tournament |
| 03/02/89 | Goldendale 58, Ephrata 45 | State A Tournament (loser out) |
| 03/02/89 | Naches Valley 57, Medical Lake 40 | State A Tournament (loser out) |
| 03/02/89 | Prosser 53, Forks 31 | State A Tournament |
| 03/02/89 | Toledo 53, Grandview 40 | State A Tournament |
| 03/03/89 | Naches Valley 57, Lynden 53 | State A Tournament (loser out) |
| 03/03/89 | Prosser 54, Lynden Christian 51 | State A Tournament |
| 03/03/89 | Ridgefield 64, Goldendale 44 | State A Tournament (loser out) |
| 03/03/89 | South Whidbey 60, Grandview 42 | State A Tournament (loser out) |
| 03/04/89 | Naches Valley 56, Ridgefield 53 | State A Tournament (5th/8th) |
| 03/04/89 | Prosser 55, Toledo 42 | State A Tournament (1st/2nd) |