| League | Season | ||||||
| Won | Lost | Pct | Won | Lost | Pct | ||
| Hanford | 12 | 2 | 0.857 | 19 | 3 | 0.864 | |
| Sunnyside | 11 | 3 | 0.786 | 21 | 5 | 0.808 | State 6th |
| Ellensburg | 9 | 5 | 0.643 | 13 | 10 | 0.565 | |
| West Valley (Yakima) | 9 | 5 | 0.643 | 12 | 10 | 0.545 | |
| Prosser | 7 | 7 | 0.500 | 13 | 8 | 0.619 | |
| Eastmont | 6 | 8 | 0.429 | 8 | 12 | 0.400 | |
| Othello | 2 | 12 | 0.143 | 3 | 17 | 0.150 | |
| Selah | 0 | 14 | 0.000 | 2 | 18 | 0.100 | |
Last Season: 1989-1990 Mid-Valley
Next Season: 1991-1992 Mid-Valley
1990-1991 boys Mid-Valley | Main Page | 1990-1991 TOC
For league: 25 - 18 in non-league games
Home team wins 57.1% of league games (8 - 6)
103 games; average margin: 16.33
median margin: 14
21 games five points or less margin (including overtime games)
40 games ten points or less margin (including overtime games)
52 league games; average margin: 17.88
median margin: 15
11 games five points or less margin (including overtime games)
16 games ten points or less margin (including overtime games)
| 11/30/90 | Eastmont 59, Omak 44 | Non-league |
| 11/30/90 | Eisenhower 58, West Valley (Yakima) 43 | Non-league |
| 11/30/90 | Royal 63, Othello 53 | Non-league |
| 11/30/90 | Wenatchee 62, at Ellensburg 59 | Non-league |
| 12/01/90 | Hanford 54, Wenatchee 52 | Non-league |
| 12/01/90 | Pasco 61, West Valley (Yakima) 40 | Non-league |
| 12/01/90 | Sunnyside 72, Davis 48 | Non-league |
| 12/04/90 | Eisenhower 51, Selah 9 | Non-league |
| 12/06/90 | West Valley (Yakima) 57, East Valley (Yakima) 48 | Non-league |
| 12/07/90 | at Prosser 55, Ellensburg 48 | Non-league |
| 12/07/90 | Gonzaga Prep 64, at Selah 34 | Non-league |
| 12/07/90 | Hanford 72, at Walla Walla 41 | Non-league |
| 12/07/90 | University 62, West Valley (Yakima) 57 | Non-league |
| 12/07/90 | Wenatchee 67, Eastmont 25 | Non-league |
| 12/08/90 | Ellensburg 51, at Moses Lake 49 | Non-league |
| 12/08/90 | Prosser 52, Grandview 49 | Non-league |
| 12/08/90 | at Selah 44, Rogers (Spokane) 37 | Non-league |
| 12/08/90 | Sunnyside 48, Toppenish 29 | Non-league |
| 12/11/90 | Connell 63, Othello 41 | Non-league |
| 12/13/90 | Grandview 56, Selah 37 | Non-league |
| 12/14/90 | Clarkston 67, at Eastmont 36 | Non-league |
| 12/14/90 | Columbia (Burbank) 65, Othello 52 | Non-league |
| 12/14/90 | Hanford 60, Richland 49 | Non-league |
| 12/14/90 | Prosser 70, Connell 60 | Non-league |
| 12/14/90 | at Ellensburg 60, Pullman 51 | Non-league |
| 12/15/90 | Clarkston 54, at Ellensburg 51 | Non-league |
| 12/15/90 | Prosser 60, Kiona-Benton 50 | Non-league |
| 12/15/90 | at Eastmont 56, Pullman 53 | Non-league |
| 12/15/90 | Sunnyside 66, Puyallup 54 | Non-league |
| 12/18/90 | Wenatchee 67, Eastmont 33 | Non-league |
| 12/20/90 | West Valley (Yakima) 53, Davis 46 | Non-league |
| 12/21/90 | Hanford 73, Grandview 42 | Non-league |
| 12/21/90 | Sunnyside 61, Connell 50 | Non-league |
| 12/22/90 | Othello 47, Kiona-Benton 32 | Non-league |
| 12/28/90 | at Wapato 57, Ellensburg 54 | Non-league |
| 12/28/90 | Prosser 49, Toppenish 40 | Non-league |
| 12/29/90 | Connell 61, Othello 35 | Non-league |
| 01/03/91 | at Ellensburg 46, Townsville Heat (AU) 40 | Non-league |
| 01/04/91 | Eastmont 65, Selah 50 | |
| 01/04/91 | Hanford 65, Prosser 48 | |
| 01/04/91 | Sunnyside 43, Grandview 31 | Non-league |
| 01/05/91 | Eastmont 53, Othello 45 | |
| 01/05/91 | at West Valley (Yakima) 48, Ellensburg 37 | |
| 01/05/91 | Prosser 55, Grandview 47 | Non-league |
| 01/05/91 | Sunnyside 58, Selah 30 | |
| 01/08/91 | Melbourne (AU) 88, West Valley (Yakima) 42 | Non-league |
| 01/08/91 | Sunnyside 62, Brisbane (AU) 35 | Non-league |
| 01/10/91 | Ellensburg 61, at Prosser 40 | |
| 01/10/91 | Hanford 73, Selah 34 | |
| 01/10/91 | Sunnyside 79, Othello 43 | |
| 01/10/91 | West Valley (Yakima) 57, Eastmont 44 | |
| 01/12/91 | Hanford 83, Othello 49 | |
| 01/12/91 | Prosser 60, Selah 45 | |
| 01/12/91 | Sunnyside 50, West Valley (Yakima) 35 | |
| 01/17/91 | Eastmont 68, Sunnyside 67 OT | |
| 01/17/91 | Prosser defeated Othello | |
| 01/17/91 | at Ellensburg 79, Selah 37 | |
| 01/17/91 | West Valley (Yakima) 50, Hanford 47 | |
| 01/19/91 | at Sunnyside 68, Ellensburg 34 | |
| 01/19/91 | Hanford 82, Eastmont 34 | |
| 01/19/91 | Othello 49, Selah 45 | |
| 01/19/91 | Prosser 56, West Valley (Yakima) 43 | |
| 01/22/91 | at Ellensburg 63, Eastmont 37 | |
| 01/24/91 | Hanford 58, Sunnyside 46 | |
| 01/24/91 | at Ellensburg 57, Othello 41 | |
| 01/24/91 | Prosser 69, Eastmont 55 | |
| 01/24/91 | West Valley (Yakima) defeated Selah | |
| 01/26/91 | Eastmont 52, Selah 40 | |
| 01/26/91 | at Hanford 58, Ellensburg 42 | |
| 01/26/91 | Sunnyside 56, Prosser 42 | |
| 01/26/91 | West Valley (Yakima) 65, Othello 50 | |
| 01/31/91 | at Ellensburg 44, Prosser 41 | |
| 02/01/91 | Hanford 67, Selah 36 | |
| 02/01/91 | Sunnyside 89, Othello 39 | |
| 02/01/91 | West Valley (Yakima) defeated Eastmont | |
| 02/02/91 | Ellensburg 56, at Eastmont 52 | |
| 02/02/91 | Hanford 92, Othello 44 | |
| 02/02/91 | Prosser 70, Selah 33 | |
| 02/02/91 | Sunnyside 59, West Valley (Yakima) 52 | |
| 02/05/91 | Eastmont 80, Othello 60 | |
| 02/05/91 | Hanford 79, Prosser 50 | |
| 02/05/91 | Sunnyside 59, Selah 35 | |
| 02/05/91 | at Ellensburg 56, West Valley (Yakima) 53 | |
| 02/07/91 | Ellensburg 52, at Selah 37 | |
| 02/07/91 | Hanford 91, West Valley (Yakima) 69 | |
| 02/07/91 | Prosser 76, Othello 50 | |
| 02/07/91 | Sunnyside 52, Eastmont 44 | |
| 02/09/91 | Hanford 69, Eastmont 48 | |
| 02/09/91 | Othello 52, Selah 51 | |
| 02/09/91 | Sunnyside 58, at Ellensburg 54 | |
| 02/09/91 | West Valley (Yakima) 43, Prosser 36 | |
| 02/14/91 | Eastmont 61, Prosser 59 | |
| 02/14/91 | Ellensburg 72, at Othello 53 | |
| 02/14/91 | Sunnyside 58, Hanford 56 | |
| 02/14/91 | West Valley (Yakima) defeated Selah | |
| 02/16/91 | Hanford 64, at Ellensburg 50 | |
| 02/16/91 | Prosser 52, Sunnyside 49 | |
| 02/16/91 | West Valley (Yakima) 63, Othello 55 | |
| 02/21/91 | at Ellensburg 52, Eastmont 36 | D5/6 AA Tournament (loser out) |
| 02/21/91 | West Valley (Yakima) 49, Prosser 38 | D5/6 AA Tournament (loser out) |
| 02/23/91 | Hanford 75, West Valley (Yakima) 69 | D5/6 AA Tournament (loser out) |
| 02/23/91 | Sunnyside 42, Ellensburg 38 | D5/6 AA Tournament (loser out) |
| 03/01/91 | Sunnyside 62, Hanford 55 | D5/6 AA Tournament (winner 1st to state/loser out) |
| 03/06/91 | Sunnyside 59, Lakeside (Seattle) 39 | State AA Tournament |
| 03/07/91 | Sunnyside 50, Kennedy 35 | State AA Tournament |
| 03/08/91 | Battle Ground 36, Sunnyside 29 | State AA Tournament |
| 03/09/91 | Edmonds-Woodway 49, Sunnyside 48 | State AA Tournament (3rd/6th) |