Duration (mins)	Return Period
Duration (mins)	2	5	10	25	50	100
15	177.34	216.17	242.78	277.47	304.00	331.02
30	103.30	126.42	142.28	162.96	178.79	194.91
45	75.41	92.49	104.20	119.47	131.15	143.06
60	60.36	74.14	83.59	95.92	105.35	114.97
120	35.38	43.58	49.20	56.51	62.09	67.78
360	15.24	18.84	21.32	24.55	27.03	29.55
720	8.97	11.11	12.58	14.50	15.96	17.46
1440	5.29	6.57	7.45	8.61	9.51	10.43