The New York Mets have allowed 56 home runs on August 13 all-time.

	TEAM	DATE	HR	TM		OPP	RESULT	ERA	SO	SHO	SV	IP	H	ER	R	BB	HBP	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Mets	8/13/1965	0	NYM	@	HOU	L 2-3	2.16	4	0	0	8.1	5	2	3	3	0	2	33	0	4.32	3.24	1.33	0.00	12.1	9.1	0.96	.192	3.24	5.40
2	Mets	8/13/1966	2	NYM	@	STL	L 6-9	9.00	4	0	0	8.0	11	8	9	4	1	0	38	1	4.50	4.50	1.00	2.25	10.5	10.5	1.88	.333	10.13	12.38
3	Mets	8/13/1967	0	NYM	vs	PIT	W 3-0	0.00	5	1	0	9.0	4	0	0	3	0	0	32	0	5.00	3.00	1.67	0.00	15.6	9.4	0.78	.167	0.00	4.00
4	Mets	8/13/1967	2	NYM	vs	PIT	W 11-9	3.00	5	0	1	9.0	13	3	9	6	0	0	46	0	5.00	6.00	0.83	2.00	10.9	13.0	2.11	.333	9.00	13.00
5	Mets	8/13/1968	0	NYM	vs	LAD	W 2-0	0.00	5	0	1	9.0	5	0	0	2	0	0	33	0	5.00	2.00	2.50	0.00	15.2	6.1	0.78	.192	0.00	5.00
6	Mets	8/13/1969	1	NYM	@	HOU	L 2-8	9.00	6	0	0	8.0	6	8	8	5	1	0	36	0	6.75	5.63	1.20	1.13	16.7	13.9	1.38	.217	9.00	6.75
7	Mets	8/13/1970	3	NYM	@	CIN	L 1-6	6.75	3	0	0	8.0	8	6	6	5	0	1	37	0	3.38	5.63	0.60	3.38	8.1	13.5	1.63	.192	6.75	9.00
8	Mets	8/13/1971	2	NYM	@	SFG	L 3-7	7.88	7	0	0	8.0	8	7	7	3	1	0	36	0	7.88	3.38	2.33	2.25	19.4	8.3	1.38	.261	7.88	9.00
9	Mets	8/13/1972	1	NYM	@	CHC	L 4-7	5.63	4	0	0	8.0	12	5	7	5	0	1	42	0	4.50	5.63	0.80	1.13	9.5	11.9	2.13	.344	7.88	13.50
10	Mets	8/13/1973	0	NYM	@	SDP	L 2-3	3.12	10	0	0	8.2	10	3	3	2	0	1	38	0	10.38	2.08	5.00	0.00	26.3	5.3	1.38	.385	3.12	10.38
11	Mets	8/13/1974	0	NYM	vs	LAD	W 3-0	0.00	8	1	0	9.0	4	0	0	1	0	0	32	0	8.00	1.00	8.00	0.00	25.0	3.1	0.56	.174	0.00	4.00
12	Mets	8/13/1975	2	NYM	vs	SDP	L 5-8	7.00	9	0	0	9.0	11	7	8	4	0	0	41	0	9.00	4.00	2.25	2.00	22.0	9.8	1.67	.346	8.00	11.00
13	Mets	8/13/1976	3	NYM	vs	CIN	L 3-7	7.00	1	0	0	9.0	13	7	7	2	1	1	40	0	1.00	2.00	0.50	3.00	2.5	5.0	1.67	.303	7.00	13.00
14	Mets	8/13/1977	0	NYM	@	PIT	L 0-2	2.25	6	0	0	8.0	9	2	2	2	0	0	33	0	6.75	2.25	3.00	0.00	18.2	6.1	1.38	.360	2.25	10.13
15	Mets	8/13/1978	0	NYM	vs	STL	L 1-6	6.00	3	0	0	9.0	17	6	6	4	0	0	46	0	3.00	4.00	0.75	0.00	6.5	8.7	2.33	.436	6.00	17.00
16	Mets	8/13/1980	1	NYM	@	PIT	W 5-3	3.00	8	0	1	9.0	12	3	3	0	0	0	39	0	8.00	0.00		1.00	20.5	0.0	1.33	.367	3.00	12.00
17	Mets	8/13/1981	2	NYM	@	CHC	L 1-6	6.75	7	0	0	8.0	6	6	6	5	1	0	33	0	7.88	5.63	1.40	2.25	21.2	15.2	1.38	.222	6.75	6.75
18	Mets	8/13/1982	1	NYM	vs	CHC	W 6-4	4.00	6	0	0	9.0	8	4	4	4	0	0	38	0	6.00	4.00	1.50	1.00	15.8	10.5	1.33	.259	4.00	8.00
19	Mets	8/13/1983	0	NYM	vs	CHC	W 5-1	1.00	8	0	1	9.0	9	1	1	2	0	0	38	0	8.00	2.00	4.00	0.00	21.1	5.3	1.22	.321	1.00	9.00
20	Mets	8/13/1984	2	NYM	@	LAD	L 2-9	3.38	1	0	0	8.0	14	3	9	2	0	0	40	0	1.13	2.25	0.50	2.25	2.5	5.0	2.00	.343	10.13	15.75
21	Mets	8/13/1985	1	NYM	vs	PHI	W 4-2	2.00	10	0	1	9.0	8	2	2	0	0	0	35	1	10.00	0.00		1.00	28.6	0.0	0.89	.292	2.00	8.00
22	Mets	8/13/1986	4	NYM	@	PHI	L 4-8	9.00	8	0	0	8.0	12	8	8	4	0	0	39	0	9.00	4.50	2.00	4.50	20.5	10.3	2.00	.348	9.00	13.50
23	Mets	8/13/1987	1	NYM	@	CHC	L 5-7	7.88	6	0	0	8.0	11	7	7	3	0	0	37	0	6.75	3.38	2.00	1.13	16.2	8.1	1.75	.370	7.88	12.38
24	Mets	8/13/1988	1	NYM	vs	MON	L 4-7	3.00	6	0	0	9.0	9	3	7	4	0	1	40	1	6.00	4.00	1.50	1.00	15.0	10.0	1.44	.276	7.00	9.00
25	Mets	8/13/1989	0	NYM	vs	STL	W 3-2	2.00	4	0	1	9.0	8	2	2	3	0	0	36	0	4.00	3.00	1.33	0.00	11.1	8.3	1.22	.276	2.00	8.00
	Total		56					3.86	370	3	13	463.2	435	199	236	162	14	11	1,950	5	7.18	3.14	2.28	1.09	19.0	8.3	1.29	.281	4.58	8.44