what is the highest 3 point percentage by a team in a game with 15 attempts

The San Antonio Spurs have the best three-point percentage by a team in a game with 15+ three-point attempts, at 84.2 percent versus the Thunder on January 10, 2019.

Interpreted as:

What is the highest 3 point percentage by a team in a regular-season game with 15 or more three point attempts?

	TEAM	3P%	3PA	DATE	TM		OPP	RESULT	MIN	PTS	REB	AST	STL	BLK	FGM	FGA	FG%	3PM	FTM	FTA	FT%	TS%	OREB	DREB	TOV	PF
1	Spurs	84.2	19	1/10/2019	SAS	vs	OKC	W 154-147	290	154	43	38	8	10	56	99	56.6	16	26	29	89.7	68.9	5	38	17	25
2	Bulls	82.4	17	12/17/2005	CHI	vs	BOS	W 118-86	240	118	40	34	9	8	43	72	59.7	14	18	26	69.2	70.7	8	32	21	18
3	SuperSonics	81.3	16	1/4/1998	SEA	@	VAN	W 120-108	240	120	30	31	13	4	44	75	58.7	13	19	27	70.4	69.1	4	26	16	24
4	Hornets	80.0	15	1/22/2011	NOH	vs	SAS	W 96-72	240	96	57	19	8	8	38	81	46.9	12	8	15	53.3	54.8	15	42	14	22
5	Bulls	80.0	15	3/11/2003	CHI	vs	LAL	W 116-99	240	116	45	32	7	6	44	80	55.0	12	16	22	72.7	64.7	10	35	16	23
6	Warriors	80.0	15	11/29/1999	GSW	@	UTA	L 99-115	240	99	25	26	7	2	37	71	52.1	12	13	23	56.5	61.0	8	17	16	21
7	Clippers	78.3	23	12/23/2018	LAC	@	GSW	L 127-129	240	127	42	23	1	1	43	80	53.8	18	23	29	79.3	68.5	5	37	17	25
8	Pistons	77.8	18	3/21/2012	DET	@	DEN	L 115-116	240	115	30	26	13	5	40	79	50.6	14	21	30	70.0	62.4	7	23	11	17
9	Mavericks	77.8	18	3/26/2005	DAL	vs	CLE	W 117-86	240	117	43	26	7	12	44	80	55.0	14	15	20	75.0	65.9	9	34	13	20
10	Cavaliers	76.5	17	1/14/2014	CLE	@	LAL	W 120-118	240	120	48	27	8	2	41	88	46.6	13	25	32	78.1	58.8	16	32	9	22
11	Clippers	75.0	24	2/5/2019	LAC	@	CHA	W 117-115	240	117	48	25	1	6	42	87	48.3	18	15	17	88.2	61.9	8	40	11	24
12	Pelicans	75.0	20	11/14/2014	NOP	vs	MIN	W 139-91	240	139	34	31	13	3	56	84	66.7	15	12	16	75.0	76.3	3	31	13	30
13	Pistons	75.0	16	11/28/2012	DET	vs	PHX	W 117-77	240	117	43	28	9	5	40	76	52.6	12	25	35	71.4	64.0	8	35	12	19
14	Jazz	75.0	16	11/3/2007	UTA	vs	GSW	W 133-110	240	133	38	36	9	3	51	81	63.0	12	19	28	67.9	71.3	12	26	18	21
15	Spurs	75.0	16	12/23/2006	SAS	@	NOK	W 112-77	240	112	32	33	11	7	44	70	62.9	12	12	17	70.6	72.3	3	29	12	13
16	Hawks	75.0	16	12/16/2005	ATL	vs	NYK	W 122-111	240	122	33	20	9	10	43	68	63.2	12	24	32	75.0	74.3	11	22	20	29
17	Spurs	75.0	16	1/17/2005	SAS	vs	WAS	W 101-73	240	101	49	22	1	10	39	75	52.0	12	11	18	61.1	60.9	14	35	10	13
18	Spurs	75.0	16	2/21/2002	SAS	vs	SAC	W 115-92	240	115	50	27	4	5	47	91	51.6	12	9	12	75.0	59.7	14	36	16	19
19	Heat	75.0	16	2/20/2000	MIA	@	CHA	W 85-80	240	85	42	23	4	4	28	72	38.9	12	17	26	65.4	50.9	10	32	9	24
20	Magic	75.0	16	3/8/1996	ORL	vs	CHA	W 117-112	265	117	32	28	9	5	45	77	58.4	12	15	27	55.6	65.8	11	21	19	17
21	Rockets	75.0	16	4/7/1994	HOU	vs	GSW	W 134-102	240	134	48	38	10	5	53	92	57.6	12	16	16	100.0	67.6	12	36	17	19
22	Trail Blazers	73.9	23	12/6/2013	POR	vs	UTA	W 130-98	240	130	50	26	9	5	46	83	55.4	17	21	24	87.5	69.5	17	33	21	17
23	Pacers	73.7	19	2/25/2001	IND	vs	MIN	W 110-100	240	110	41	30	4	1	41	71	57.7	14	14	18	77.8	69.7	13	28	20	26
24	Spurs	73.3	15	12/2/2018	SAS	vs	POR	W 131-118	240	131	34	29	5	4	50	83	60.2	11	20	22	90.9	70.7	5	29	12	15
25	Jazz	73.3	15	3/8/2008	UTA	vs	DEN	W 132-105	240	132	43	36	8	5	50	83	60.2	11	21	30	70.0	68.6	9	34	13	27

Unlock 2x data

Results may be incomplete. StatMuse has complete team, game-level data for three-point attempts and three-point percentage going back to the 1983-84 season.