first player with a slugging percentage greater than.820 and a batting average greater than.400 in a calendar month with greater than 100 at bats

Joe Jackson had a slugging percentage of .873 when batting above .400 with >100 at-bats in June 1912.

	NAME	MONTH	SLG	AVG	AB	G	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	OBP	OPS
1	Joe Jackson J. Jackson	June 1912	.873	.529	102	29	28	54	16	8	1		7	2		4		113	89	25	2				.568	1.440
2	Rogers Hornsby R. Hornsby	July 1923	.824	.488	125	31	31	61	13	4	7	39	14	0	12	0		142	103	24	3				.540	1.364
3	Babe Ruth B. Ruth	July 1923	.865	.459	111	31	36	51	9	3	10	27	29	0	18	1		140	96	22	0				.571	1.436
4	Babe Ruth B. Ruth	July 1924	.885	.450	131	37	43	59	9	3	14	40	31	0	16	2		164	116	26	2				.556	1.441
5	Rogers Hornsby R. Hornsby	August 1924	.896	.509	106	29	29	54	13	2	8	22	15	0	7	0		127	95	23	6				.570	1.466
6	Jim Bottomley J. Bottomley	June 1925	.852	.444	108	28	19	48	11	3	9	32	14	0	4	3		125	92	23	3				.508	1.360
7	Mandy Brooks M. Brooks	June 1925	.845	.408	103	26	25	42	10	4	9	34	5	0	6	5		111	87	23	3				.435	1.280
8	Chick Hafey C. Hafey	July 1928	.925	.462	106	27	30	49	18	2	9	34	8	1	10	3		116	98	29	1				.504	1.429
9	Heinie Manush H. Manush	September 1928	.835	.495	103	25	22	51	10	5	5	28	9	0	1	3		112	86	20	0				.536	1.371
10	Chuck Klein C. Klein	July 1929	.888	.448	116	28	24	52	7	1	14	40	13	0	11	1		129	103	22	0				.504	1.392
11	Lou Gehrig L. Gehrig	June 1930	.919	.495	111	28	37	55	11	3	10	41	20	3	10	5		137	102	24	3				.582	1.501
12	Chuck Klein C. Klein	June 1931	.826	.450	109	27	25	49	10	2	9	29	12	0	3	1		121	90	21	0				.504	1.330
13	Lou Gehrig L. Gehrig	June 1936	.934	.453	106	26	35	48	11	2	12	31	19	0	4	1		125	99	25	0				.536	1.470
14	Joe DiMaggio J. DiMaggio	July 1937	.983	.430	121	29	40	52	10	6	15	43	17	1	9	2		139	119	31	0				.504	1.487
15	Mickey Mantle M. Mantle	May 1956	.879	.414	116	31	35	48	6	0	16	35	23	0	15	4	0	140	102	22	0	1	2	0	.507	1.386
16	Mickey Mantle M. Mantle	June 1957	.838	.419	105	30	30	44	7	2	11	30	31	0	17	3	0	136	88	20	0	0	5	0	.551	1.390
17	Willie Mays W. Mays	May 1958	.843	.405	121	30	25	49	7	5	12	29	14	0	10	6	3	138	102	24	0	3	2	2	.457	1.299
18	Roy Sievers R. Sievers	July 1960	.845	.447	103	28	31	46	5	0	12	30	25	1	8	1	0	129	87	17	0	0	4	1	.558	1.403
19	Norm Cash N. Cash	June 1961	.901	.416	101	30	25	42	1	3	14	25	19	1	12	1	0	122	91	18	1	0	6	4	.512	1.413
20	Frank Robinson F. Robinson	July 1961	.887	.409	115	30	31	47	12	2	13	34	12	2	11	6	0	131	102	27	0	2	3	1	.466	1.353
21	Rafael Palmeiro R. Palmeiro	July 1993	.852	.426	108	28	28	46	13	0	11	34	14	1	10	4	2	126	92	24	0	3	5	1	.484	1.336
22	Juan Gonzalez J. Gonzalez	July 1996	.917	.407	108	27	22	44	10	0	15	38	14	0	15	0	0	123	99	25	0	1	7	2	.472	1.388
23	Albert Belle A. Belle	July 1998	.941	.406	101	26	24	41	6	0	16	32	9	0	13	0	0	110	95	22	0	0	2	1	.455	1.395
24	Todd Helton T. Helton	August 2000	.848	.476	105	29	22	50	18	0	7	32	17	2	7	2	0	126	89	25	0	2	5	1	.548	1.395
25	Richard Hidalgo R. Hidalgo	September 2000	.971	.476	103	28	36	49	14	2	11	31	11	4	9	5	0	120	100	27	0	2	2	0	.533	1.504