| Boston Celtics Rankings 2008-2009 | Stats Glossary  |
| Games with .384 or higher 3-point Percentage | Boston Celtics Record : 40 - 8 |
| No | Date | Game | Score | 3-point Percentage |
| 1 | May 6 | vs Orlando | W | 112-94 | .450 |
| 2 | May 2 | vs Chicago | W | 109-99 | .529 |
| 3 | Apr 26 | at Chicago | L | 118-121 | .435 |
| 4 | Apr 23 | at Chicago | W | 107-86 | .571 |
| 5 | Apr 20 | vs Chicago | W | 118-115 | .438 |
| 6 | Apr 15 | vs Washington | W | 115-107 | .556 |
| 7 | Apr 14 | at Philadelphia | W | 100-98 | .563 |
| 8 | Apr 10 | vs Miami | W | 105-98 | .643 |
| 9 | Apr 3 | vs Atlanta | W | 104-92 | .429 |
| 10 | Mar 27 | at Atlanta | W | 99-93 | .450 |
| 11 | Mar 23 | vs L.A.Clippers | W | 90-77 | .636 |
| 12 | Mar 20 | at San_Antonio | W | 80-77 | .500 |
| 13 | Mar 18 | vs Miami | W | 112-108 | .600 |
| 14 | Mar 17 | at Chicago | L | 121-127 | .550 |
| 15 | Mar 11 | at Miami | L | 99-107 | .500 |
| 16 | Mar 4 | at New_Jersey | W | 115-111 | .615 |
| 17 | Feb 27 | vs Indiana | W | 104-99 | .526 |
| 18 | Feb 25 | at L.A.Clippers | L | 91-93 | .438 |
| 19 | Feb 23 | at Denver | W | 114-76 | .609 |
| 20 | Feb 22 | at Phoenix | W | 128-108 | .444 |
| 21 | Feb 6 | at New_York | W | 110-100 | .438 |
| 22 | Feb 5 | vs L.A.Lakers | L | 109-110 | .444 |
| 23 | Jan 30 | at Detroit | W | 86-78 | .400 |
| 24 | Jan 28 | vs Sacramento | W | 119-100 | .692 |
| 25 | Jan 25 | vs Dallas | W | 124-100 | .593 |
| 26 | Jan 21 | at Miami | W | 98-83 | .600 |
| 27 | Jan 17 | at New_Jersey | W | 105-85 | .417 |
| 28 | Jan 14 | vs New_Jersey | W | 118-86 | .545 |
| 29 | Jan 12 | vs Toronto | W | 115-109 | .417 |
| 30 | Jan 11 | at Toronto | W | 94-88 | .500 |
| 31 | Jan 7 | vs Houston | L | 85-89 | .400 |
| 32 | Jan 2 | vs Washington | W | 108-83 | .600 |
| 33 | Dec 26 | at Golden_State | L | 89-99 | .500 |
| 34 | Dec 23 | vs Philadelphia | W | 110-91 | .500 |
| 35 | Dec 21 | vs New_York | W | 124-105 | .500 |
| 36 | Dec 19 | vs Chicago | W | 126-108 | .500 |
| 37 | Dec 15 | vs Utah | W | 100-91 | .500 |
| 38 | Dec 11 | at Washington | W | 122-88 | .533 |
| 39 | Dec 7 | at Indiana | W | 122-117 | .520 |
| 40 | Dec 1 | vs Orlando | W | 107-88 | .462 |
| 41 | Nov 28 | vs Philadelphia | W | 102-78 | .429 |
| 42 | Nov 23 | at Toronto | W | 118-103 | .588 |
| 43 | Nov 20 | vs Detroit | W | 98-80 | .500 |
| 44 | Nov 18 | vs New_York | W | 110-101 | .385 |
| 45 | Nov 15 | at Milwaukee | W | 102-97 | .444 |
| 46 | Nov 14 | vs Denver | L | 85-94 | .400 |
| 47 | Nov 9 | at Detroit | W | 88-76 | .500 |
| 48 | Nov 5 | at Oklahoma_City | W | 96-83 | .412 |
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