| League | Season | ||||||
| Won | Lost | Pct | Won | Lost | Pct | ||
| Hanford | 7 | 1 | 0.875 | 15 | 4 | 0.789 | |
| Selah | 8 | 2 | 0.800 | 12 | 4 | 0.750 | |
| West Valley (Yakima) | 7 | 3 | 0.700 | 11 | 4 | 0.733 | |
| Sunnyside | 8 | 4 | 0.667 | 18 | 10 | 0.643 | State |
| Eastmont | 6 | 6 | 0.500 | 10 | 10 | 0.500 | |
| Othello | 1 | 11 | 0.083 | 3 | 16 | 0.158 | |
| Ellensburg | 1 | 11 | 0.083 | 3 | 19 | 0.136 | |
Last Season: 1987-1988 Mid-Valley
Next Season: 1989-1990 Mid-Valley
1988-1989 boys Mid-Valley | Main Page | 1988-1989 TOC
For league: 25 - 19 in non-league games
Home team wins 58.3% of league games (7 - 5)
93 games; average margin: 18.02
median margin: 16
13 games five points or less margin (including overtime games)
31 games ten points or less margin (including overtime games)
38 league games; average margin: 20.50
median margin: 19.5
4 games five points or less margin (including overtime games)
11 games ten points or less margin (including overtime games)
| 11/29/88 | Eastmont 60, Wenatchee 44 | Non-league |
| 12/01/88 | Ephrata 42, at Ellensburg 34 | Non-league |
| 12/01/88 | Omak 40, Eastmont 32 | Non-league |
| 12/02/88 | at East Valley (Yakima) 59, Ellensburg 45 | Non-league |
| 12/02/88 | at Othello 49, Quincy 33 | Non-league |
| 12/02/88 | Sunnyside 54, Davis 24 | Non-league |
| 12/03/88 | Hanford 61, Kennewick 48 | Non-league |
| 12/03/88 | Prosser 69, Othello 38 | Non-league |
| 12/03/88 | Selah 59, Cascade (Leavenworth) 30 | Non-league |
| 12/03/88 | Sunnyside 56, Wapato 48 | Non-league |
| 12/03/88 | West Valley (Yakima) 50, Grandview 38 | Non-league |
| 12/06/88 | Connell 57, Othello 51 | Non-league |
| 12/06/88 | Eastmont 45, Wenatchee 44 | Non-league |
| 12/06/88 | Grandview 46, Sunnyside 41 | Non-league |
| 12/06/88 | Hanford 66, Richland 43 | Non-league |
| 12/08/88 | Wapato 61, at Ellensburg 37 | Non-league |
| 12/09/88 | Eastmont 52, Ritzville 50 | Non-league |
| 12/09/88 | at Cle Elum-Roslyn 62, Ellensburg 33 | Non-league |
| 12/09/88 | at Walla Walla 59, Hanford 53 | Non-league |
| 12/09/88 | Sunnyside 59, Toppenish 24 | Non-league |
| 12/10/88 | Eisenhower 47, Sunnyside 38 | Non-league |
| 12/10/88 | Moses Lake 60, Othello 45 | Non-league |
| 12/10/88 | Selah 67, Mount Si 36 | Non-league |
| 12/10/88 | West Valley (Yakima) 64, Cascade (Leavenworth) 15 | Non-league |
| 12/13/88 | Connell 55, Othello 45 | Non-league |
| 12/13/88 | Ephrata 58, Eastmont 54 OT | Non-league |
| 12/13/88 | Hanford 68, Grandview 55 | Non-league |
| 12/13/88 | Sunnyside 74, East Valley (Yakima) 30 | Non-league |
| 12/16/88 | Rogers (Spokane) 63, at Ellensburg 51 | Non-league |
| 12/16/88 | at Hanford 63, West Valley (Spokane) 35 | Non-league |
| 12/17/88 | Prosser 71, Sunnyside 51 | Non-league |
| 12/20/88 | Eastmont 59, at Ritzville 36 | Non-league |
| 12/20/88 | Othello 66, Royal 61 | Non-league |
| 12/22/88 | Enumclaw 52, at Ellensburg 36 | Non-league |
| 12/27/88 | Selah 57, Prosser 52 | Non-league |
| 12/27/88 | at Ellensburg 45, Toppenish 27 | Non-league |
| 12/28/88 | Hanford 70, Prosser 43 | Non-league |
| 12/28/88 | Pasco 69, Selah 51 | Non-league |
| 12/30/88 | Lake Roosevelt 51, Eastmont 40 | Non-league |
| 12/30/88 | West Valley (Yakima) 63, Cascade (Leavenworth) 28 | Non-league |
| 01/03/89 | Cle Elum-Roslyn 61, at Ellensburg 48 | Non-league |
| 01/03/89 | at Hanford 75, McLoughlin (OR) 38 | Non-league |
| 01/07/89 | Hanford 69, Othello 27 | |
| 01/07/89 | Selah 62, at Ellensburg 40 | |
| 01/07/89 | Sunnyside 50, Eastmont 49 | |
| 01/10/89 | Sunnyside 62, Othello 33 | |
| 01/12/89 | Eastmont 79, at Ellensburg 57 | |
| 01/14/89 | at Othello 67, Ellensburg 49 | |
| 01/14/89 | Hanford 47, Sunnyside 37 | |
| 01/14/89 | West Valley (Yakima) 64, Selah 40 | |
| 01/17/89 | Selah 64, Othello 43 | |
| 01/19/89 | at Sunnyside 54, Ellensburg 47 | |
| 01/20/89 | Eastmont 61, West Valley (Yakima) 54 | |
| 01/21/89 | Eastmont 54, Selah 40 | |
| 01/21/89 | Hanford 65, at Ellensburg 36 | |
| 01/21/89 | West Valley (Yakima) 50, Sunnyside 37 | |
| 01/24/89 | at Sunnyside 50, McLoughlin (OR) 31 | Non-league |
| 01/24/89 | Selah 51, Grandview 39 | Non-league |
| 01/26/89 | Eastmont 82, Othello 31 | |
| 01/26/89 | at West Valley (Yakima) 71, Ellensburg 36 | |
| 01/28/89 | Hanford 79, Eastmont 68 | |
| 01/28/89 | Selah 40, Sunnyside 35 | |
| 01/28/89 | West Valley (Yakima) 70, Othello 32 | |
| 02/02/89 | at Eastmont 81, Ellensburg 35 | |
| 02/02/89 | Sunnyside 58, Othello 35 | |
| 02/04/89 | at Ellensburg 63, Othello 44 | |
| 02/04/89 | Selah 53, West Valley (Yakima) 44 | |
| 02/04/89 | Sunnyside 42, Hanford 41 | |
| 02/07/89 | Selah 79, Othello 31 | |
| 02/09/89 | Sunnyside 53, at Ellensburg 36 | |
| 02/10/89 | West Valley (Yakima) 53, Eastmont 41 | |
| 02/11/89 | at Hanford 71, Ellensburg 36 | |
| 02/11/89 | Selah 58, Eastmont 57 | |
| 02/11/89 | Sunnyside 41, West Valley (Yakima) 35 | |
| 02/14/89 | at Selah 79, Ellensburg 42 | |
| 02/14/89 | Hanford 61, Othello 40 | |
| 02/14/89 | Sunnyside 58, Eastmont 48 | |
| 02/16/89 | West Valley (Yakima) 54, at Ellensburg 34 | |
| 02/17/89 | Eastmont 47, Othello 30 | |
| 02/18/89 | Hanford 72, Eastmont 49 | |
| 02/18/89 | Selah 59, Sunnyside 53 | |
| 02/20/89 | West Valley (Yakima) 53, Othello 24 | |
| 02/21/89 | Ellensburg 50, Othello 47 | Mid-Valley tiebreaker (6th/loser out) |
| 02/21/89 | Sunnyside 70, Hanford 50 | Mid-Valley tiebreaker (loser 4th) |
| 02/23/89 | West Valley (Yakima) 40, Sunnyside 27 | Mid-Valley tiebreaker (2nd/3rd) |
| 02/25/89 | at Sunnyside 47, Ellensburg 35 | D5/6 AA Tournament (loser out) |
| 02/25/89 | Hanford 61, Eastmont 54 | D5/6 AA Tournament (loser out) |
| 02/28/89 | Hanford 69, Selah 61 | D5/6 AA Tournament (loser out) |
| 02/28/89 | Sunnyside 65, West Valley (Yakima) 56 | D5/6 AA Tournament (loser out) |
| 03/04/89 | Sunnyside 50, Hanford 44 | D5/6 AA Tournament (winner to state/loser out) |
| 03/08/89 | Sunnyside 46, Bremerton 43 | State AA Tournament |
| 03/09/89 | W.F. West 51, Sunnyside 46 | State AA Tournament |
| 03/10/89 | Bainbridge 51, Sunnyside 30 | State AA Tournament (loser out) |