when did the rangers have their best power play percentage in a season

The New York Rangers had their best power-play percentage in a season in 1977-78, at 28.8 percent.

	TEAM	PP%	SEASON	GP	W	L	T	OTL	PTS	PTS%	SOW	SOL	G	GA	DIFF	PK%	S/GP	S%	SA/GP	SV%
1	Rangers	28.8	1977-78	80	30	37	13		73	.456			279	280	-1	80.2	28.14	12.4	31.38	.888
2	Rangers	26.4	2023-24	82	55	23		4	114	.695	4	3	278	226	52	84.5	31.49	10.8	29.49	.907
3	Rangers	25.7	1979-80	80	38	32	10		86	.538			308	284	24	82.2	29.79	12.9	28.69	.876
4	Rangers	25.2	2021-22	82	52	24		6	110	.671	4	3	250	204	46	82.3	29.17	10.5	30.83	.919
5	Rangers	25.1	1983-84	80	42	29	9		93	.581			314	304	10	78.1	31.89	12.3	31.55	.880
6	Rangers	24.4	2024-25	17	12	4		1	25	.735	0	0	61	41	20	88.9	30.65	11.7	31.24	.923
7	Rangers	24.1	2022-23	82	47	22		13	107	.652	4	3	273	216	57	81.2	31.49	10.6	29.33	.910
8	Rangers	24.0	1984-85	80	26	44	10		62	.388			295	345	-50	80.6	29.80	12.4	35.11	.877
9	Rangers	23.9	1978-79	80	40	29	11		91	.569			316	292	24	74.7	30.89	12.8	27.75	.868
10	Rangers	23.7	1990-91	80	36	31	13		85	.531			297	265	32	79.8	30.55	12.2	31.88	.896
11	Rangers	23.3	1989-90	80	36	31	13		85	.531			279	267	12	78.7	29.81	11.7	30.04	.889
12	Rangers	23.0	1993-94	84	52	24	8		112	.667			299	231	68	84.6	34.18	10.4	27.71	.901
13	Rangers	22.9	1982-83	80	35	35	10		80	.500			306	287	19	75.4	28.53	13.4	29.80	.880
14	Rangers	22.9	2019-20	70	37	28		5	79	.564	1	2	233	220	13	77.4	31.07	10.7	34.01	.908
15	Rangers	22.6	1987-88	80	36	34	10		82	.513			300	283	17	80.6	31.76	11.8	30.48	.884
16	Rangers	22.2	1981-82	80	39	27	14		92	.575			316	306	10	76.3	28.56	13.8	29.45	.870
17	Rangers	22.0	1996-97	82	38	34	10		86	.524			258	231	27	79.9	30.83	10.2	31.56	.911
18	Rangers	21.2	2017-18	82	34	39		9	77	.470	3	5	228	263	-35	81.5	30.95	9.0	35.34	.909
19	Rangers	20.9	1991-92	80	50	25	5		105	.656			321	246	75	84.8	32.91	12.2	31.79	.903
20	Rangers	20.7	2020-21	56	27	23		6	60	.536	1	2	176	155	21	82.2	28.70	11.0	29.71	.907
21	Rangers	20.4	1998-99	82	33	38	11		77	.470			217	227	-10	85.7	25.43	10.4	30.20	.908
22	Rangers	20.2	2016-17	82	48	28		6	102	.622	3	4	253	216	37	79.8	29.73	10.4	30.06	.912
23	Rangers	20.1	1985-86	80	36	38	6		78	.488			280	276	4	77.7	31.83	11.0	29.98	.885
24	Rangers	20.0	1994-95	48	22	23	3		47	.490			139	134	5	83.9	31.85	9.1	26.31	.894
25	Rangers	19.9	1986-87	80	34	38	8		76	.475			307	323	-16	81.1	30.90	12.4	31.96	.874