The Boston Celtics scored their most points in a second half versus the Trail Blazers on December 4, 2021, with 81 points.

Interpreted as:

celtics most points in a regular-season game in the second half

	TEAM	PTS	DATE	TM		OPP	MIN	REB	AST	STL	BLK	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TOV	PF
1	Celtics	81	12/4/2021	BOS	@	POR	120	23	11	4	2	25	44	56.8	10	18	55.6	21	23	91.3	74.8	7	16	6	11
2	Celtics	80	12/31/2024	BOS	vs	TOR	120	21	18	7	4	29	39	74.4	14	18	77.8	8	11	72.7	91.2	3	18	6	6
3	Celtics	80	11/1/2023	BOS	vs	IND	120	29	17	2	0	28	47	59.6	10	18	55.6	14	14	100.0	75.2	3	26	6	13
4	Celtics	80	4/30/2021	BOS	vs	SAS	120	27	18	3	7	29	52	55.8	12	17	70.6	10	15	66.7	68.3	9	18	4	14
5	Celtics	78	8/5/2020	BOS	vs	BKN	120	20	20	3	5	29	44	65.9	12	22	54.5	8	8	100.0	82.1	0	20	5	10
6	Celtics	77	12/23/2023	BOS	@	LAC	120	23	17	3	1	26	45	57.8	10	20	50.0	15	19	78.9	72.2	6	17	2	12
7	Celtics	77	12/25/2022	BOS	vs	MIL	120	20	16	3	0	28	41	68.3	11	21	52.4	10	11	90.9	84.0	3	17	6	9
8	Celtics	76	4/11/2025	BOS	vs	CHA	120	26	20	6	5	30	48	62.5	13	24	54.2	3	4	75.0	76.4	4	22	7	7
9	Celtics	76	1/13/2024	BOS	vs	HOU	120	31	14	1	6	28	54	51.9	12	23	52.2	8	10	80.0	65.1	9	22	5	15
10	Celtics	75	12/27/2024	BOS	vs	IND	120	23	13	2	3	21	43	48.8	12	27	44.4	21	24	87.5	70.0	8	15	3	14
11	Celtics	74	2/2/2025	BOS	@	PHI	120	17	20	1	5	28	42	66.7	14	22	63.6	4	5	80.0	83.7	3	14	4	11
12	Celtics	74	11/13/2024	BOS	@	BKN	120	19	19	5	3	26	46	56.5	12	22	54.5	10	12	83.3	72.2	6	13	1	6
13	Celtics	74	4/3/2024	BOS	vs	OKC	120	18	15	5	3	25	40	62.5	10	18	55.6	14	15	93.3	79.4	3	15	5	12
14	Celtics	74	4/3/2022	BOS	vs	WAS	120	23	19	2	3	28	47	59.6	14	26	53.8	4	4	100.0	75.9	5	18	4	12
15	Celtics	74	12/3/2021	BOS	@	UTA	120	13	12	1	2	23	41	56.1	9	19	47.4	19	19	100.0	75.0	1	12	4	18
16	Celtics	74	10/30/2019	BOS	vs	MIL	120	24	16	4	1	26	48	54.2	11	21	52.4	11	11	100.0	70.0	2	22	3	10
17	Celtics	73	3/3/2022	BOS	vs	MEM	120	21	22	2	3	29	47	61.7	9	16	56.3	6	8	75.0	72.2	8	13	3	8
18	Celtics	72	11/6/2024	BOS	vs	GSW	120	25	15	1	2	25	53	47.2	13	34	38.2	9	12	75.0	61.8	12	13	2	10
19	Celtics	72	3/1/2024	BOS	vs	DAL	120	24	15	0	6	27	46	58.7	11	21	52.4	7	7	100.0	73.3	6	18	3	7
20	Celtics	72	3/21/2023	BOS	@	SAC	120	20	18	5	2	27	43	62.8	9	18	50.0	9	13	69.2	73.9	3	17	5	12
21	Celtics	72	3/17/2021	BOS	@	CLE	120	19	9	6	2	25	48	52.1	7	23	30.4	15	23	65.2	61.9	9	10	0	15
22	Celtics	72	11/13/2019	BOS	vs	WAS	120	17	18	3	3	26	50	52.0	9	20	45.0	11	13	84.6	64.6	4	13	4	18
23	Celtics	72	10/26/2019	BOS	@	NYK	120	26	16	8	4	26	44	59.1	9	16	56.3	11	19	57.9	68.8	6	20	7	17
24	Celtics	72	11/3/2014	BOS	@	DAL	120	28	18	4	6	28	54	51.9	7	16	43.8	9	11	81.8	61.2	14	14	6	15
25	Celtics	71	1/20/2025	BOS	@	GSW	120	25	20	6	6	27	46	58.7	13	24	54.2	4	5	80.0	73.7	4	21	2	3