The St. Louis Blues had their best record in a season in 1999-00, with a record of 51-19-11-1.

what was the best record in a season for the blues

TEAM	REC	SEASON	GP	PTS	W	L	T	OTL	PTS%	G	GA	PP%	PK%	S/GP	SA/GP
St. Louis Blues	51-19-11-1	1999-00	82	114	51	19	11	1	.695	248	165	17.8	87.8	29.82	22.12
St. Louis Blues	52-23-7	2013-14	82	111	52	23		7	.677	239	188	19.8	85.7	29.29	26.38
St. Louis Blues	45-18-17	1980-81	80	107	45	18	17		.669	352	281	24.2	82.0	30.39	31.75
St. Louis Blues	49-22-11	2021-22	82	109	49	22		11	.665	309	239	27.0	84.1	30.39	31.60
St. Louis Blues	51-24-7	2014-15	82	109	51	24		7	.665	239	197	22.3	83.7	30.91	27.23
St. Louis Blues	49-22-11	2011-12	82	109	49	22		11	.665	206	155	16.7	85.8	30.63	26.71
St. Louis Blues	42-19-10	2019-20	71	94	42	19		10	.662	223	190	24.3	79.3	30.69	29.58
St. Louis Blues	47-22-11	1990-91	80	105	47	22	11		.656	310	250	20.1	83.8	31.88	29.31
St. Louis Blues	49-24-9	2015-16	82	107	49	24		9	.652	219	197	21.5	85.1	30.17	29.74
St. Louis Blues	28-15-5	1994-95	48	61	28	15	5		.635	178	135	16.4	80.3	29.40	28.25
St. Louis Blues	43-22-12-5	2000-01	82	103	43	22	12	5	.628	249	195	18.7	85.3	30.41	23.57
St. Louis Blues	29-17-2	2012-13	48	60	29	17		2	.625	124	114	19.5	84.7	27.83	24.19
St. Louis Blues	45-28-9	2018-19	82	99	45	28		9	.604	244	220	21.1	81.5	31.76	28.60
St. Louis Blues	46-29-7	2016-17	82	99	46	29		7	.604	233	216	21.3	84.8	28.41	28.38
St. Louis Blues	41-24-11-6	2002-03	82	99	41	24	11	6	.604	253	222	20.5	81.7	28.06	24.96
St. Louis Blues	43-27-8-4	2001-02	82	98	43	27	8	4	.598	227	188	17.4	85.2	29.02	22.52
St. Louis Blues	45-29-8	1997-98	82	98	45	29	8		.598	256	204	16.8	86.6	26.87	24.13
St. Louis Blues	37-25-14	1968-69	76	88	37	25	14		.579	204	157			28.70	31.50
St. Louis Blues	44-32-6	2017-18	82	94	44	32		6	.573	223	222	15.4	79.7	32.65	29.73
St. Louis Blues	37-27-12	1969-70	76	86	37	27	12		.566	224	179			31.43	28.67
St. Louis Blues	27-20-9	2020-21	56	63	27	20		9	.563	167	167	23.2	77.8	28.96	29.82
St. Louis Blues	43-33-6	2023-24	82	92	43	33		6	.561	234	248	18.0	78.6	28.90	32.13
St. Louis Blues	41-31-10	2008-09	82	92	41	31		10	.561	227	227	20.5	83.8	27.70	28.55
St. Louis Blues	34-25-19	1970-71	78	87	34	25	19		.558	223	208			30.91	28.97
St. Louis Blues	39-30-11-2	2003-04	82	91	39	30	11	2	.555	191	198	17.9	84.6	27.11	25.65