which batter has the highest batting average in a season with at least 30 at bats

Rudy Pemberton has the best batting average with 30+ at-bats in a season, with an average of .512 in his rookie season in 1996.

	NAME	AVG	AB	SEASON	TM	G	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	OBP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Rudy Pemberton R. Pemberton	.512	41	1996	BOS	13	11	21	8	0	1	10	2	2	4	3	1	45	32	9	0	0	0	0	.556	.780	1.336	15	9.1	.572	237	8.5
2	Cameron Maybin C. Maybin	.500	32	2008	FLA	8	9	16	2	0	0	2	3	0	8	4	0	36	18	2	1	0	0	0	.543	.563	1.105	9	4.8	.491	202	4.6
3	Gil Coan G. Coan	.500	42	1947	WSH	11	5	21	3	2	0	3	5	0	6	2	1	47	28	5	0			0	.553	.667	1.220	13	7.8	.553	243	7.8
4	Eddie Murphy E. Murphy	.486	35	1919	CWS	30	8	17	4	0	0	5	7	0	0	0		42	21	4	0				.571	.600	1.171	11	6.6	.547	223	6
5	Craig Wilson C. Wilson	.468	47	1998	CWS	13	14	22	5	0	3	10	3	0	6	1	0	53	36	8	2	1	0	0	.490	.766	1.256	15	8.8	.530	225	8.6
6	Gary Ward G. Ward	.463	41	1980	MIN	13	11	19	6	2	1	10	3	0	6	0	0	46	32	9	1	1	1	0	.489	.780	1.269	13	7.8	.540	236	7.4
7	Scott Cooper S. Cooper	.457	35	1991	BOS	14	6	16	4	2	0	7	2	0	2	0	0	37	24	6	0	0	0	0	.486	.686	1.172	10	5.6	.513	218	5.2
8	Willie Bloomquist W. Bloomquist	.455	33	2002	SEA	12	11	15	4	0	0	7	5	0	2	3	1	38	19	4	0	0	0	0	.526	.576	1.102	9	4.9	.483	209	5.1
9	Sam Horn S. Horn	.455	33	1993	CLE	12	8	15	1	0	4	8	1	1	5	0	0	36	28	5	0	1	0	1	.472	.848	1.321	11	6.7	.557	248	6.6
10	Ed Crane E. Crane	.452	31	1893	TOT	15	9	14	2	0	0	3	7	0	0	0		38	16	2					.553	.516	1.069	12	5.6	.521	185	5.5
11	Monte Cross M. Cross	.442	43	1894	PIT	13	14	19	1	5	2	13	5	2	4	6		53	36	8	3				.520	.837	1.357	20	10.2	.571	201	10.1
12	Terrell Lowery T. Lowery	.441	34	2000	SFG	24	13	15	4	0	1	5	7	1	8	1	0	42	22	5	0	0	0	1	.548	.647	1.195	12	6.5	.517	213	6.5
13	Jim Tobin J. Tobin	.441	34	1937	PIT	21	7	15	4	0	0	6	4	0	3	0		38	19	4	0			2	.500	.559	1.059	9	4.4	.485	194	4.4
14	Hugh Duffy H. Duffy	.440	539	1894	BSN	125	160	237	51	16	18	145	66	1	15	48		616	374	85	10				.502	.694	1.196	203	91.3	.526	169	80.7
15	Babe Ganzel B. Ganzel	.438	48	1927	WSH	13	7	21	4	2	1	13	7	0	3	0	0	58	32	7	3				.509	.667	1.176	16	8.4	.528	200	7.9
16	Tip O'Neill T. O'Neill	.435	517	1887	STL	124	167	225	52	19	14	123	50	5	20	30		572	357	85					.490	.691	1.180	191	96.4	.525	190	88.9
17	Nelson Simmons N. Simmons	.433	30	1984	DET	9	4	13	2	0	0	3	2	0	5	1	0	32	15	2	0	0	1	2	.469	.500	.969	6	2.7	.429	170	2.6
18	Walter Johnson W. Johnson	.433	97	1925	WSH	36	12	42	6	1	2	20	3	1	6	0	1	107	56	9	6				.455	.577	1.033	24	10.3	.469	165	9.8
19	Dale Mitchell D. Mitchell	.432	44	1946	CLE	11	7	19	3	0	0	5	1	0	2	1	0	45	22	3	0			1	.444	.500	.944	8	3.7	.442	168	3.5
20	Ross Barnes R. Barnes	.429	322	1876	CWS	66	126	138	21	14	1	59	20		8			342	190	36						.590		105	53.2	.478	197	50.5
21	Jack Bentley J. Bentley	.427	89	1923	NYG	52	9	38	6	2	1	14	3	0	4	0	0	94	51	9	2				.446	.573	1.019	21	9	.466	171	8.7
22	Nap Lajoie N. Lajoie	.426	544	1901	PHA	131	145	232	48	14	14	125	24	13	9	27		582	350	76	1				.463	.643	1.106	157	81	.506	186	71.5
23	Stan Musial S. Musial	.426	47	1941	SLN	12	8	20	4	0	1	7	2	0	1	1		49	27	5	0			0	.449	.574	1.023	11	5.1	.470	186	4.9
24	Glenn Williams G. Williams	.425	40	2005	MIN	13	3	17	1	0	0	3	2	0	7	1	2	43	18	1	1	0	0	0	.452	.450	.902	8	2.7	.402	151	2.7
25	Matthew LeCroy M. LeCroy	.425	40	2001	MIN	15	6	17	5	0	3	12	0	1	8	0	1	42	31	8	0	1	0	0	.429	.775	1.204	11	6	.497	210	5.8