| League | Season | ||||||
| Won | Lost | Pct | Won | Lost | Pct | ||
| Lynden Christian | 15 | 0 | 1.000 | 26 | 1 | 0.963 | State 1st |
| Nooksack Valley | 10 | 5 | 0.667 | 20 | 8 | 0.714 | State 6th |
| Lynden | 10 | 5 | 0.667 | 16 | 8 | 0.667 | |
| Mount Baker | 7 | 8 | 0.467 | 16 | 11 | 0.593 | State 7th |
| Meridian | 2 | 13 | 0.133 | 3 | 17 | 0.150 | |
| Blaine | 1 | 14 | 0.067 | 2 | 18 | 0.100 | |
Last Season: 1988-1989 Whatcom County
Next Season: 1990-1991 Whatcom County
1989-1990 boys Whatcom County | Main Page | 1989-1990 TOC
For league: 15 - 9 in non-league games
87 games; average margin: 20.16
median margin: 17
16 games five points or less margin (including overtime games)
29 games ten points or less margin (including overtime games)
42 league games; average margin: 22.29
median margin: 19.5
9 games five points or less margin (including overtime games)
12 games ten points or less margin (including overtime games)
| 11/29/89 | Mount Baker 46, Sedro-Woolley 38 | Non-league |
| 12/01/89 | Abbotsford (BC) 69, Lynden Christian 66 | Non-league |
| 12/01/89 | Mount Baker 68, Granite Falls 43 | Non-league |
| 12/01/89 | Nooksack Valley 42, South Whidbey 29 | Non-league |
| 12/02/89 | Nooksack Valley 52, Bellevue Christian 49 | Non-league |
| 12/05/89 | at Lakewood 58, Blaine 30 | Non-league |
| 12/05/89 | Lynden Christian 99, Meridian 23 | |
| 12/07/89 | Mount Baker 65, Blaine 32 | |
| 12/08/89 | Lynden Christian 78, South Whidbey 22 | Non-league |
| 12/08/89 | Nooksack Valley 55, Lynden 48 | |
| 12/08/89 | Lakewood at Meridian | Non-league |
| 12/09/89 | Bellevue Christian 36, Meridian 27 | Non-league |
| 12/09/89 | Granite Falls 54, Blaine 47 | Non-league |
| 12/09/89 | Sehome 56, Lynden 32 | Non-league |
| 12/12/89 | Lynden Christian 80, Lynden 48 | |
| 12/12/89 | Nooksack Valley 49, Blaine 30 | |
| 12/14/89 | Mount Baker 67, Meridian 46 | |
| 12/16/89 | Bellevue Christian 71, Blaine 59 | Non-league |
| 12/16/89 | Lynden Christian 87, Bellingham 31 | Non-league |
| 12/16/89 | Nooksack Valley 79, Mission (BC) 31 | Non-league |
| 12/19/89 | Lynden 70, Blaine 39 | |
| 12/19/89 | Lynden Christian 88, Mount Baker 53 | |
| 12/19/89 | Nooksack Valley 54, Meridian 32 | |
| 12/20/89 | South Whidbey 45, Meridian 32 | Non-league |
| 12/22/89 | Mount Baker 64, Friday Harbor 21 | Non-league |
| 12/28/89 | Lakewood 49, at Meridian 40 | Non-league |
| 12/28/89 | Lynden Christian 66, Sehome 64 | Non-league |
| 12/28/89 | Neah Bay 65, Blaine 40 | Non-league |
| 12/28/89 | Nooksack Valley 57, at King's 26 | Non-league |
| 12/29/89 | Blaine 55, Sedro-Woolley JV 16 | Non-league |
| 12/29/89 | Mount Baker 73, Friday Harbor 41 | Non-league |
| 12/29/89 | Nooksack Valley 63, Forks 56 | Non-league |
| 01/02/90 | Lynden 59, Mount Baker 54 | |
| 01/02/90 | Lynden Christian 65, Nooksack Valley 60 | |
| 01/02/90 | Meridian 43, Blaine 40 | |
| 01/04/90 | Lynden 65, Meridian 52 | |
| 01/04/90 | Lynden Christian 79, Blaine 33 | |
| 01/04/90 | Nooksack Valley 53, Mount Baker 50 OT | |
| 01/06/90 | Mount Baker 53, Burlington-Edison 43 | Non-league |
| 01/09/90 | Lynden Christian 72, Meridian 33 | |
| 01/09/90 | Mount Baker 60, Blaine 31 | |
| 01/09/90 | Nooksack Valley 64, Lynden 48 | |
| 01/11/90 | Lynden Christian 51, Lynden 44 | |
| 01/11/90 | Mount Baker 69, Meridian 58 | |
| 01/11/90 | Nooksack Valley 63, Blaine 42 | |
| 01/16/90 | Lynden defeated Blaine | |
| 01/16/90 | Lynden Christian 60, Mount Baker 30 | |
| 01/16/90 | Nooksack Valley 60, Meridian 47 | |
| 01/20/90 | Blaine 54, Meridian 52 | |
| 01/20/90 | Lynden 55, Mount Baker 51 OT | |
| 01/20/90 | Lynden Christian 68, Nooksack Valley 52 | |
| 01/23/90 | Lynden 62, Meridian 47 | |
| 01/23/90 | Lynden Christian 97, Blaine 24 | |
| 01/23/90 | Nooksack Valley 50, Mount Baker 49 | |
| 01/25/90 | Lynden Christian 72, Meridian 29 | |
| 01/27/90 | Lynden 54, Nooksack Valley 53 | |
| 01/27/90 | Lynden Christian 71, Abbotsford (BC) 50 | Non-league |
| 01/27/90 | Mount Baker 56, Blaine 47 | |
| 01/29/90 | Lynden Christian 57, Lynden 37 | |
| 01/30/90 | Mount Baker 61, Meridian 44 | |
| 01/30/90 | Nooksack Valley 72, Blaine 35 | |
| 02/01/90 | Lynden Christian 65, Mount Baker 38 | |
| 02/03/90 | Lynden defeated Blaine | |
| 02/03/90 | Nooksack Valley 79, Meridian 35 | |
| 02/05/90 | Lynden Christian 74, Nooksack Valley 51 | |
| 02/06/90 | Lynden 65, Mount Baker 41 | |
| 02/06/90 | Meridian 64, Blaine 47 | |
| 02/09/90 | Lynden defeated Meridian | |
| 02/09/90 | Lynden Christian 83, Blaine 42 | |
| 02/09/90 | Mount Baker 57, Nooksack Valley 52 | |
| 02/14/90 | Lynden Christian 59, South Whidbey 40 | D1 A Tournament |
| 02/14/90 | Lynden 61, Tolt 33 | D1 A Tournament |
| 02/15/90 | Nooksack Valley 55, Bellevue Christian 36 | D1 A Tournament |
| 02/15/90 | Mount Baker 55, Lakewood 47 | D1 A Tournament |
| 02/17/90 | Lynden Christian 69, Lynden 46 | D1 A Tournament (winner to state) |
| 02/17/90 | Mount Baker 44, Nooksack Valley 41 OT | D1 A Tournament (winner to state) |
| 02/21/90 | Lynden 53, Lakewood 52 | D1 A Tournament (loser out) |
| 02/21/90 | Nooksack Valley 51, Tolt 30 | D1 A Tournament (loser out) |
| 02/24/90 | Lynden Christian 63, Mount Baker 40 | D1 A Tournament (1st/2nd) |
| 02/24/90 | Nooksack Valley 46, Lynden 41 | D1 A Tournament (winner 3rd to state/loser out) |
| 02/28/90 | Lynden Christian 56, Ephrata 45 | State A Tournament |
| 02/28/90 | Mount Baker 59, Cle Elum-Roslyn 51 | State A Tournament |
| 02/28/90 | Nooksack Valley 50, Forks 33 | State A Tournament |
| 03/01/90 | Lynden Christian 75, Colfax 64 | State A Tournament |
| 03/01/90 | Nooksack Valley 49, Ridgefield 35 | State A Tournament |
| 03/01/90 | Omak 56, Mount Baker 33 | State A Tournament |
| 03/02/90 | Lynden Christian 63, Nooksack Valley 52 | State A Tournament |
| 03/02/90 | Mount Baker 45, Deer Park 43 | State A Tournament (loser out) |
| 03/03/90 | Colfax 81, Mount Baker 50 | State A Tournament (4th/7th) |
| 03/03/90 | Connell 63, Nooksack Valley 53 | State A Tournament (3rd/6th) |
| 03/03/90 | Lynden Christian 55, Omak 49 | State A Tournament (1st/2nd) |