The New York Yankees had their highest on-base percentage in a season in 1930, with an on-base percentage of .384.

Interpreted as:

What yankees has the highest obp in a regular season?

	TEAM	OBP	SEASON	G	W%	W	L	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	SLG	OPS
1	Yankees	.384	1930	154	.558	86	68	5,447	1,062	1,683	298	110	152	985	644	19	569	91	60	6,272	2,657	560	162				.309	.488	.872
2	Yankees	.384	1927	155	.714	110	44	5,354	976	1,644	291	103	158	907	642	22	610	90	64	6,222	2,615	552	204				.307	.488	.872
3	Yankees	.383	1931	155	.614	94	59	5,608	1,067	1,667	276	78	155	990	750	28	554	139	68	6,473	2,564	509	87				.297	.457	.840
4	Yankees	.381	1936	155	.667	102	51	5,591	1,065	1,676	315	83	182	997	700	33	593	77	40	6,391	2,703	580	67				.300	.483	.864
5	Yankees	.376	1932	156	.695	107	47	5,476	1,002	1,564	279	82	160	954	765	27	526	77	66	6,344	2,487	521	76				.286	.454	.830
6	Yankees	.374	1994	113	.619	70	43	3,986	670	1,155	238	16	139	632	530	31	660	55	40	4,611	1,842	393	27	37	34	112	.290	.462	.836
7	Yankees	.374	1939	152	.702	106	45	5,300	967	1,521	259	55	166	904	701	36	543	72	37	6,129	2,388	480	92			99	.287	.451	.825
8	Yankees	.374	1921	153	.641	98	55	5,250	948	1,576	284	87	134	875	575	41	571	89	64	6,056	2,436	505	190				.300	.464	.838
9	Yankees	.369	1933	152	.607	91	59	5,271	927	1,495	241	75	144	855	700	17	507	76	59	6,066	2,318	460	78				.284	.440	.809
10	Yankees	.369	1926	155	.591	91	63	5,220	847	1,507	262	75	121	788	642	23	580	79	62	6,102	2,282	458	217				.289	.437	.806
11	Yankees	.369	1937	157	.662	102	52	5,487	979	1,554	282	73	174	921	712	34	607	60	36	6,294	2,504	529	61				.283	.456	.825
12	Yankees	.367	1950	155	.636	98	56	5,361	914	1,511	234	70	159	860	687	31	458	41	28	6,164	2,362	463	85			122	.282	.441	.807
13	Yankees	.366	1999	162	.605	98	64	5,568	900	1,568	302	36	193	855	718	55	978	104	57	6,416	2,521	531	22	53	47	137	.282	.453	.819
14	Yankees	.366	1938	157	.651	99	53	5,410	966	1,480	283	63	174	918	749	39	617	91	28	6,259	2,411	520	61				.274	.446	.812
15	Yankees	.366	2007	162	.580	94	68	5,717	968	1,656	326	32	201	929	637	78	991	123	40	6,527	2,649	559	41	54	32	138	.290	.463	.829
16	Yankees	.365	1928	154	.656	101	53	5,337	894	1,576	267	79	133	826	562	23	553	51	52	6,067	2,400	479	145				.295	.450	.815
17	Yankees	.364	1998	162	.704	114	48	5,643	965	1,625	290	31	207	907	653	57	1,025	153	63	6,444	2,598	528	32	59	34	145	.288	.460	.825
18	Yankees	.364	1929	154	.571	88	66	5,376	899	1,589	264	74	142	827	555	23	502	53	52	6,100	2,427	480	146				.296	.451	.815
19	Yankees	.364	1934	154	.610	94	60	5,368	842	1,494	227	61	135	790	700	20	602	71	46	6,178	2,248	423	90				.278	.419	.782
20	Yankees	.363	2006	162	.599	97	65	5,651	930	1,608	327	21	210	902	649	72	1,053	139	35	6,455	2,607	558	34	49	43	139	.285	.461	.824
21	Yankees	.362	1949	155	.630	97	57	5,196	829	1,396	215	60	115	760	729	32	539	58	30	6,041	2,076	390	84			141	.269	.400	.762
22	Yankees	.362	1997	162	.593	96	66	5,710	891	1,636	325	23	161	846	676	37	954	99	58	6,527	2,490	509	34	70	51	138	.287	.436	.798
23	Yankees	.362	2009	162	.636	103	59	5,660	915	1,604	325	21	244	881	663	54	1,014	111	28	6,447	2,703	590	31	39	35	144	.283	.478	.839
24	Yankees	.360	1996	162	.568	92	70	5,628	871	1,621	293	28	162	830	632	41	909	96	46	6,414	2,456	483	41	72	56	153	.288	.436	.796
25	Yankees	.358	1953	151	.656	99	52	5,194	801	1,420	226	52	139	762	655	34	643	34	44	5,960	2,167	417	77			105	.273	.417	.776