| League | Season | ||||||
| Won | Lost | Pct | Won | Lost | Pct | ||
| Mount Rainier | 17 | 1 | 0.944 | 22 | 5 | 0.815 | State |
| Highline | 13 | 5 | 0.722 | 15 | 9 | 0.625 | |
| Hazen | 12 | 6 | 0.667 | 13 | 9 | 0.591 | |
| Evergreen (Highline) | 12 | 6 | 0.667 | 14 | 8 | 0.636 | |
| Kennedy | 12 | 6 | 0.667 | 12 | 9 | 0.571 | |
| Tyee | 8 | 10 | 0.444 | 10 | 14 | 0.417 | |
| Lindbergh | 6 | 12 | 0.333 | 6 | 14 | 0.300 | |
| Mount Si | 5 | 13 | 0.278 | 7 | 13 | 0.350 | |
| Renton | 3 | 15 | 0.167 | 3 | 16 | 0.158 | |
| Liberty (Issaquah) | 2 | 16 | 0.111 | 2 | 17 | 0.105 | |
Last Season: 1988-1989 Seamount
Next Season: 1990-1991 Seamount
1989-1990 girls Seamount | Main Page | 1989-1990 TOC
For league: 7 - 10 in non-league games
Home team wins 43.7% of league games (31 - 40)
121 games; average margin: 12.91
median margin: 11
28 games five points or less margin (including overtime games)
56 games ten points or less margin (including overtime games)
87 league games; average margin: 13.10
median margin: 11
17 games five points or less margin (including overtime games)
41 games ten points or less margin (including overtime games)
| 11/28/89 | Bremerton 97, at Highline 77 | Non-league |
| 11/28/89 | Eastside Catholic 73, at Lindbergh 62 | Non-league |
| 11/28/89 | Evergreen (Highline) 48, at Jefferson 45 OT | Non-league |
| 11/29/89 | at Cleveland 88, Liberty (Issaquah) 51 | Non-league |
| 11/30/89 | Highline 64, Tahoma 59 | Non-league |
| 11/30/89 | at Mount Rainier 65, Nathan Hale 45 | Non-league |
| 11/30/89 | Mount Si 63, Rainier Beach 60 OT | Non-league |
| 12/01/89 | Evergreen (Highline) 77, Monroe 57 | Non-league |
| 12/05/89 | Evergreen (Highline) 54, at Liberty (Issaquah) 46 | |
| 12/05/89 | Lindbergh 53, at Renton 42 | |
| 12/05/89 | at Mount Rainier 71, Hazen 51 | |
| 12/05/89 | Mount Si 62, at Highline 53 | |
| 12/05/89 | Tyee 70, at Kennedy 54 | |
| 12/08/89 | Liberty (Issaquah) 63, at Hazen 55 | |
| 12/08/89 | Mount Rainier 84, at Highline 65 | |
| 12/08/89 | at Evergreen (Highline) defeated Lindbergh | |
| 12/08/89 | Kennedy defeated at Mount Si | |
| 12/08/89 | at Tyee defeated Renton | |
| 12/09/89 | at Kentwood 66, Tyee 50 | Non-league |
| 12/12/89 | at Evergreen (Highline) 74, Tyee 61 | |
| 12/12/89 | Hazen 66, at Lindbergh 36 | |
| 12/12/89 | Highline 67, at Liberty (Issaquah) 48 | |
| 12/12/89 | Kennedy 81, at Renton 60 | |
| 12/12/89 | at Mount Rainier 77, Mount Si 66 | |
| 12/15/89 | at Highline 76, Lindbergh 46 | |
| 12/15/89 | at Mount Rainier 81, Liberty (Issaquah) 34 | |
| 12/15/89 | Evergreen (Highline) 57, at Kennedy 55 | |
| 12/15/89 | at Mount Si 75, Renton 74 | |
| 12/15/89 | at Tyee 75, Hazen 70 | |
| 12/19/89 | Evergreen (Highline) 87, Renton 60 | |
| 12/19/89 | Hazen 58, Kennedy 46 | |
| 12/19/89 | Highline 73, Tyee 50 | |
| 12/19/89 | Mount Rainier 64, Lindbergh 36 | |
| 12/19/89 | Mount Si 57, at Liberty (Issaquah) 49 | |
| 12/20/89 | Newport (Bellevue) 85, Kennedy 62 | Non-league |
| 12/21/89 | Capital 57, at Hazen 41 | Non-league |
| 12/22/89 | at Jefferson 57, Renton 41 | Non-league |
| 12/27/89 | at North Kitsap 88, Kennedy 69 | Non-league |
| 12/27/89 | at Chief Sealth 90, Tyee 89 OT | Non-league |
| 12/29/89 | at Cleveland 87, Lindbergh 47 | Non-league |
| 12/29/89 | at Mount Si 69, Ballard 53 | Non-league |
| 12/29/89 | Mount Rainier 59, at Shelton 54 | Non-league |
| 01/03/90 | Hazen 58, at Renton 44 | |
| 01/03/90 | at Mount Rainier 81, Tyee 60 | |
| 01/03/90 | Evergreen (Highline) 72, at Mount Si 64 | |
| 01/03/90 | Highline 62, at Kennedy 61 | |
| 01/04/90 | at Liberty (Issaquah) 56, Lindbergh 49 | |
| 01/05/90 | Hazen 54, Evergreen (Highline) 51 | |
| 01/05/90 | Highline 90, Renton 54 | |
| 01/05/90 | Kennedy 74, Mount Rainier 66 | |
| 01/05/90 | Lindbergh 62, Mount Si 50 | |
| 01/05/90 | at Tyee 67, Liberty (Issaquah) 51 | |
| 01/09/90 | Hazen 71, Mount Si 65 | |
| 01/09/90 | Highline 59, at Evergreen (Highline) 41 | |
| 01/09/90 | Mount Rainier 75, at Renton 68 | |
| 01/12/90 | Highline 59, at Hazen 54 | |
| 01/12/90 | at Renton 61, Liberty (Issaquah) 45 | |
| 01/12/90 | at Mount Rainier 57, Evergreen (Highline) 41 | |
| 01/12/90 | at Tyee 79, Mount Si 52 | |
| 01/12/90 | at Kennedy 63, Lindbergh 57 | |
| 01/15/90 | Evergreen (Highline) 40, Liberty (Issaquah) 39 | |
| 01/16/90 | Highline 80, at Mount Si 66 | |
| 01/16/90 | Kennedy 72, at Tyee 53 | |
| 01/16/90 | Mount Rainier 81, at Hazen 50 | |
| 01/16/90 | Renton 57, at Lindbergh 42 | |
| 01/19/90 | Hazen 59, at Liberty (Issaquah) 42 | |
| 01/19/90 | Evergreen (Highline) 80, at Lindbergh 51 | |
| 01/19/90 | at Mount Rainier 70, Highline 64 | |
| 01/19/90 | at Kennedy 75, Mount Si 69 | |
| 01/19/90 | Tyee 64, at Renton 49 | |
| 01/20/90 | Evergreen (Highline) 60, at Tyee 54 | |
| 01/20/90 | at Hazen 56, Lindbergh 45 | |
| 01/20/90 | at Highline 67, Liberty (Issaquah) 64 | |
| 01/20/90 | at Kennedy 72, Renton 60 | |
| 01/20/90 | Mount Rainier 71, at Mount Si 56 | |
| 01/23/90 | at Evergreen (Highline) 73, Kennedy 51 | |
| 01/23/90 | at Hazen 71, Tyee 60 | |
| 01/23/90 | Highline 52, at Lindbergh 41 | |
| 01/23/90 | Mount Rainier 63, at Liberty (Issaquah) 44 | |
| 01/23/90 | Mount Si 78, at Renton 71 | |
| 01/24/90 | at Lindbergh 53, Tyee 50 | |
| 01/26/90 | at Mount Si 61, Liberty (Issaquah) 58 | |
| 01/26/90 | Highline 77, Tyee 74 OT | |
| 01/26/90 | Kennedy 51, Hazen 42 | |
| 01/26/90 | Evergreen (Highline) 78, Renton 69 | |
| 01/26/90 | Mount Rainier 57, Lindbergh 44 | |
| 01/30/90 | at Evergreen (Highline) 70, Mount Si 61 | |
| 01/30/90 | at Hazen 85, Renton 66 | |
| 01/30/90 | Kennedy 70, at Highline 69 | |
| 01/30/90 | at Lindbergh 67, Liberty (Issaquah) 38 | |
| 01/30/90 | Mount Rainier 64, at Tyee 63 | |
| 01/31/90 | Kennedy 69, at Liberty (Issaquah) 67 OT | |
| 02/02/90 | Hazen 62, Evergreen (Highline) 58 | |
| 02/02/90 | Highline 68, Renton 62 | |
| 02/02/90 | Lindbergh 59, Mount Si 51 | |
| 02/02/90 | Mount Rainier 82, Kennedy 74 | |
| 02/02/90 | Tyee 70, at Liberty (Issaquah) 54 | |
| 02/06/90 | Hazen 70, Mount Si 61 | |
| 02/06/90 | at Highline 55, Evergreen (Highline) 45 | |
| 02/06/90 | at Kennedy 74, Liberty (Issaquah) 50 | |
| 02/06/90 | Lindbergh 47, at Tyee 43 | |
| 02/06/90 | at Mount Rainier 77, Renton 51 | |
| 02/09/90 | Hazen 49, at Highline 46 | |
| 02/09/90 | Kennedy 75, at Lindbergh 54 | |
| 02/09/90 | Mount Rainier 67, at Evergreen (Highline) 59 | |
| 02/09/90 | Renton 71, at Liberty (Issaquah) 51 | |
| 02/09/90 | Tyee 68, at Mount Si 61 | |
| 02/16/90 | at Hazen 58, Evergreen (Highline) 43 | Seamount Tournament |
| 02/16/90 | Tyee 52, Kennedy 51 | Seamount Tournament (loser out) |
| 02/17/90 | Mount Rainier 66, Highline 63 | Seamount Tournament (1st/2nd) |
| 02/17/90 | Tyee 66, Evergreen (Highline) 65 OT | Seamount Tournament (4th/loser out) |
| 02/22/90 | O'Dea 76, Tyee 58 | D2 AA Tournament |
| 02/22/90 | Highline 55, Seattle Prep 54 3OT | D2 AA Tournament |
| 02/23/90 | Mount Rainier 83, Cleveland 76 | D2 AA Tournament |
| 02/23/90 | Lakeside (Seattle) 45, Hazen 37 | D2 AA Tournament |
| 02/24/90 | Cleveland 82, Hazen 65 | D2 AA Tournament (loser out) |
| 02/24/90 | Lakeside (Seattle) 61, Mount Rainier 50 | D2 AA Tournament (winner to state) |
| 02/24/90 | O'Dea 74, Highline 65 | D2 AA Tournament (winner to state) |
| 02/24/90 | Seattle Prep 59, Tyee 55 | D2 AA Tournament (loser out) |
| 02/27/90 | Mount Rainier 53, Seattle Prep 50 | D2 AA Tournament (winner to state/loser out) |
| 02/28/90 | Cleveland 63, Highline 57 | D2 AA Tournament (winner to state/loser out) |
| 03/02/90 | Cleveland 89, Mount Rainier 78 | D2 AA Tournament (3rd/4th) |
| 03/07/90 | Battle Ground 68, Mount Rainier 46 | State AA Tournament |
| 03/08/90 | Woodway 54, Mount Rainier 40 | State AA Tournament (loser out) |