what was the best record in a june for the any team since 1900

Since 1900, the Cincinnati Reds have the best record by a team in a month in the month of June, with a record of 8-1 in June 1981.

	TEAM	REC	MONTH	W%	G	W	L	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Reds	8-1	June 1981	.889	9	8	1	310	53	91	23	4	10	50	37	2	38	3	1	359	152	37	4	6	4	8	.294	.366	.490	.857
2	Pirates	19-3	June 1909	.864	22	19	3	757	110	228	27	16	2		74	5		36		866	293	45	30				.301	.367	.387	.754
3	Giants	24-4	June 1954	.857	28	24	4	969	139	261	41	4	30	136	98	8	112	9	7	1,100	400	75	15	10		17	.269	.338	.413	.751
4	Pirates	17-3	June 1903	.850	20	17	3	695	121	211	29	12	6	111	51	7	30	21		767	282	47	14				.304	.357	.406	.763
5	Giants	22-4	June 1912	.846	26	22	4	884	217	299	59	21	13	186	99	12	84	68		1,028	439	93	33				.338	.412	.497	.909
6	Braves	21-4	June 2023	.840	25	21	4	880	175	269	41	4	61	168	92	5	176	27	4	987	501	106	0	10	3	22	.306	.371	.569	.940
7	Mets	9-2	June 2025	.818	11	9	2	383	64	97	19	0	25	64	42	10	84	14	1	437	191	44	0	2	2	8	.253	.341	.499	.840
8	Yankees	9-2	June 1981	.818	11	9	2	402	58	124	16	1	11	54	50	0	48	9	3	460	175	28	3	5	4	12	.308	.381	.435	.816
9	Braves	21-5	June 2002	.808	26	21	5	902	136	252	48	4	33	127	84	7	157	12	8	1,013	407	85	10	10	11	26	.279	.342	.451	.793
10	Cubs	21-5	June 1936	.808	26	21	5	895	141	257	49	7	11	128	103	6	84	16		1,015	353	67	11				.287	.365	.394	.759
11	Tigers	8-2	June 1981	.800	10	8	2	315	37	75	10	3	6	35	33	2	60	6	4	363	109	19	9	4	4	10	.238	.311	.346	.657
12	Angels	8-2	June 1981	.800	10	8	2	350	63	105	16	1	12	57	34	3	50	3	1	393	159	29	4	2	1	8	.300	.365	.454	.819
13	Americans	20-5	June 1901	.800	25	20	5	877	167	263	39	23	12	148	76	16	-8	36		984	384	74	15				.300	.366	.438	.804
14	Orioles	23-6	June 1979	.793	29	23	6	924	131	241	37	4	34	120	117	3	149	20	7	1,063	388	75	10	9	9	32	.261	.343	.420	.763
15	Giants	19-5	June 1904	.792	25	19	5	805	134	226	34	10	7		72	9		78		886	301	51	43				.281	.347	.374	.720
16	Yankees	22-6	June 2022	.786	28	22	6	919	155	216	36	2	58	151	122	12	236	20	4	1,062	430	96	2	7	10	19	.235	.330	.468	.798
17	Indians	22-6	June 2016	.786	28	22	6	947	143	256	45	10	44	134	76	7	199	26	5	1,047	453	99	8	9	2	21	.270	.326	.478	.805
18	Angels	22-6	June 1998	.786	28	22	6	989	173	290	52	5	35	155	88	15	185	4	7	1,112	457	92	13	7	10	27	.293	.358	.462	.820
19	Twins	22-6	June 1991	.786	28	22	6	962	144	268	45	5	31	137	83	11	120	27	8	1,073	416	81	8	9	9	12	.279	.340	.432	.772
20	Pirates	18-5	June 1906	.783	23	18	5	779	119	235	26	13	1		56	8		25		876	290	40	33				.302	.355	.372	.727
21	Braves	21-6	June 2022	.778	27	21	6	956	155	255	50	5	54	151	74	14	242	12	8	1,051	477	109	0	7	3	11	.267	.326	.499	.825
22	Rangers	21-6	June 2010	.778	27	21	6	979	178	304	57	7	32	170	93	9	174	16	7	1,099	471	96	7	11	7	17	.311	.372	.481	.853
23	Phillies	7-2	June 1981	.778	9	7	2	295	46	90	7	4	4	42	26	0	43	6	4	336	117	15	8	7	1	5	.305	.354	.397	.750
24	Orioles	21-6	June 1969	.778	27	21	6	957	151	270	46	5	36	137	110	10	132	21	6	1,100	434	87	11	12	12	26	.282	.358	.454	.812
25	Yankees	21-6	June 1927	.778	27	21	6	905	170	272	44	17	37	157	103	5	93	16		1,045	461	98	32				.301	.375	.509	.885