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

The Calgary Flames had their best power-play percentage in a season in 1987-88, at 28.5 percent.

	TEAM	PP%	SEASON	GP	W	L	T	OTL	PTS	PTS%	SOW	SOL	G	GA	DIFF	PK%	S/GP	S%	SA/GP	SV%
1	Flames	28.5	1987-88	80	48	23	9		105	.656			397	305	92	80.4	33.33	14.9	29.65	.871
2	Flames	27.7	1989-90	80	42	23	15		99	.619			348	265	83	79.2	34.35	12.7	25.34	.869
3	Flames	27.1	1980-81	80	39	27	14		92	.575			329	298	31	80.6	27.13	15.2	33.16	.888
4	Flames	26.6	1981-82	80	29	34	17		75	.469			334	345	-11	77.8	29.43	14.2	33.40	.871
5	Flames	25.2	1988-89	80	54	17	9		117	.731			354	226	128	82.8	34.64	12.8	25.74	.890
6	Flames	25.0	1986-87	80	46	31	3		95	.594			318	289	29	79.8	31.60	12.6	30.33	.881
7	Flames	24.8	1984-85	80	41	27	12		94	.588			363	302	61	74.2	34.94	13.0	31.20	.879
8	Flames	24.3	1985-86	80	40	31	9		89	.556			354	315	39	76.2	34.56	12.8	31.43	.875
9	Flames	23.8	1982-83	80	32	34	14		78	.488			321	317	4	77.1	28.59	14.0	33.09	.880
10	Flames	23.7	1990-91	80	46	26	8		100	.625			344	263	81	81.7	32.55	13.2	27.50	.880
11	Flames	23.6	1979-80	80	35	32	13		83	.519			282	269	13	81.0	28.15	12.5	30.55	.890
12	Flames	23.5	1978-79	80	41	31	8		90	.563			327	280	47	80.7	28.29	14.4	29.44	.881
13	Flames	22.9	2021-22	82	50	21		11	111	.677	2	2	291	206	85	83.2	35.46	10.0	28.95	.913
14	Flames	22.5	1977-78	80	34	27	19		87	.544			274	252	22	80.2	29.23	11.7	26.66	.882
15	Flames	21.5	1983-84	80	34	32	14		82	.513			311	314	-3	80.3	32.06	12.1	32.86	.881
16	Flames	21.2	2019-20	70	36	27		7	79	.564	6	1	204	214	-10	82.1	31.60	9.2	32.44	.906
17	Flames	21.2	1993-94	84	42	29	13		97	.577			302	256	46	80.6	31.43	11.4	27.51	.889
18	Flames	21.0	1991-92	80	31	37	12		74	.463			296	305	-9	78.1	30.90	12.0	30.88	.877
19	Flames	20.2	2016-17	82	45	33		4	94	.573	4	2	222	219	3	81.6	29.12	9.3	28.71	.907
20	Flames	20.0	2012-13	48	19	25		4	42	.438	0	3	128	157	-29	81.5	26.94	9.9	29.42	.889
21	Flames	19.8	2022-23	82	38	27		17	93	.567	2	5	258	247	11	82.6	35.95	8.8	27.32	.890
22	Flames	19.5	2010-11	82	41	29		12	94	.573	9	7	241	230	11	81.2	30.50	9.6	28.51	.902
23	Flames	19.3	2018-19	82	50	25		7	107	.652	0	4	289	223	66	79.7	32.39	10.9	28.07	.903
24	Flames	19.0	1992-93	84	43	30	11		97	.577			322	282	40	83.1	31.39	12.2	29.48	.886
25	Flames	18.8	2014-15	82	45	30		7	97	.591	4	3	237	213	24	80.6	27.46	10.5	29.16	.911