Duration (mins)	Return Period
Duration (mins)	2	5	10	25	50	100
15	216.03	259.09	283.02	308.87	325.33	339.67
30	126.31	151.96	166.22	181.64	191.46	200.03
45	92.43	111.36	121.88	133.26	140.51	146.83
60	74.07	89.35	97.85	107.04	112.89	118.00
120	43.54	52.64	57.69	63.15	66.61	69.63
360	18.81	22.82	25.06	27.48	29.03	30.37
720	11.11	13.49	14.80	16.23	17.13	17.92
1440	6.55	7.97	8.77	9.63	10.19	10.67