The Houston Astros have 4.26 runs per game all-time.

	TEAM	R/G	R	G	SEASON	W%	W	L	AB	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Colt .45's	3.65	592	162	1962	.400	64	96	5,558	1,370	170	47	105	549	493	38	806	42	30	6,198	1,949	322	75	34	37	132	.246	.310	.351	.661
2	Colt .45's	2.86	464	162	1963	.407	66	96	5,384	1,184	170	39	62	420	456	30	938	39	30	5,983	1,618	271	86	27	39	119	.220	.283	.301	.584
3	Colt .45's	3.06	495	162	1964	.407	66	96	5,303	1,214	162	41	70	452	381	49	872	40	48	5,859	1,668	273	87	39	44	113	.229	.285	.315	.599
4	Astros	3.51	569	162	1965	.401	65	97	5,483	1,299	188	42	97	523	502	46	877	90	37	6,122	1,862	327	57	34	46	125	.237	.305	.340	.644
5	Astros	3.75	612	163	1966	.444	72	90	5,511	1,405	203	35	112	570	491	34	885	90	47	6,170	2,014	350	97	37	61	128	.255	.318	.365	.683
6	Astros	3.86	626	162	1967	.426	69	93	5,506	1,372	259	46	93	581	537	26	934	88	38	6,177	2,002	398	65	43	88	123	.249	.317	.364	.680
7	Astros	3.15	510	162	1968	.444	72	90	5,336	1,233	205	28	66	473	479	48	988	44	51	5,994	1,692	299	97	34	81	115	.231	.298	.317	.616
8	Astros	4.17	676	162	1969	.500	81	81	5,348	1,284	208	40	104	618	699	41	972	101	58	6,196	1,884	352	68	40	70	109	.240	.330	.352	.683
9	Astros	4.59	744	162	1970	.488	79	83	5,574	1,446	250	47	129	694	598	27	911	114	41	6,305	2,177	426	63	43	81	144	.259	.332	.391	.722
10	Astros	3.61	585	162	1971	.488	79	83	5,492	1,319	230	52	71	547	478	29	888	101	51	6,105	1,866	353	65	41	44	105	.240	.302	.340	.642
11	Astros	4.63	708	153	1972	.549	84	69	5,267	1,359	233	38	134	660	524	32	907	111	56	5,936	2,070	405	62	51	69	98	.258	.326	.393	.719
12	Astros	4.2	681	162	1973	.506	82	80	5,532	1,391	216	35	134	634	469	33	962	92	48	6,153	2,079	385	83	36	72	135	.251	.312	.376	.688
13	Astros	4.03	653	162	1974	.500	81	81	5,489	1,441	222	41	110	603	471	29	864	108	65	6,120	2,075	373	83	48	49	124	.263	.322	.378	.700
14	Astros	4.1	664	162	1975	.398	64	97	5,515	1,401	218	54	84	606	523	32	762	133	62	6,211	1,979	356	97	44	66	118	.254	.320	.359	.679
15	Astros	3.86	625	162	1976	.494	80	82	5,464	1,401	195	50	66	571	530	21	719	150	57	6,111	1,894	311	57	39	54	127	.256	.322	.347	.669
16	Astros	4.2	680	162	1977	.500	81	81	5,530	1,405	263	60	114	638	515	40	839	187	72	6,200	2,130	437	76	39	60	98	.254	.320	.385	.705
17	Astros	3.73	605	162	1978	.457	74	88	5,458	1,408	231	45	70	557	434	22	743	178	59	6,034	1,939	346	76	44	67	134	.258	.313	.355	.668
18	Astros	3.6	583	162	1979	.549	89	73	5,394	1,382	224	52	49	542	461	22	745	190	95	6,029	1,857	325	109	43	75	105	.256	.315	.344	.659
19	Astros	3.91	637	163	1980	.571	93	70	5,566	1,455	231	67	75	599	540	13	755	194	74	6,253	2,045	373	89	45	73	96	.261	.326	.367	.693
20	Astros	3.58	394	110	1981	.555	61	49	3,693	948	160	35	45	369	340	8	488	81	43	4,155	1,313	240	79	35	49	69	.257	.318	.356	.673
21	Astros	3.51	569	162	1982	.475	77	85	5,440	1,342	236	48	74	533	435	19	830	140	61	6,008	1,896	358	68	46	67	104	.247	.302	.349	.651
22	Astros	3.97	643	162	1983	.525	85	77	5,502	1,412	239	60	97	615	517	19	869	164	95	6,173	2,062	396	81	54	71	76	.257	.320	.375	.695
23	Astros	4.28	693	162	1984	.494	80	82	5,548	1,465	222	67	79	640	494	17	837	105	61	6,201	2,058	368	87	55	57	88	.264	.323	.371	.694
24	Astros	4.36	706	162	1985	.512	83	79	5,582	1,457	261	42	121	666	477	23	873	96	56	6,192	2,165	424	66	44	63	127	.261	.319	.388	.707
25	Astros	4.04	654	162	1986	.593	96	66	5,441	1,388	244	32	125	613	536	24	916	163	75	6,095	2,071	401	53	41	78	126	.255	.322	.381	.703
	Total	4.26	42,839	10,046		.503	5,046	4,995	340,918	86,913	15,934	2,173	8,447	40,318	32,396	2,909	63,067	7,165	3,136	382,973	132,534	26,554	4,030	2,720	3,145	7,428	.255	.323	.389	.711