Based on trace file: ALFW1_QINE.ESPF10.csv
PeakFlow (CFS), Probability of Exceedance (%) 
91996, 2
85851, 5
79011, 7
74481, 9
69196, 11
68335, 14
65902, 16
65494, 18
64574, 20
63349, 23
63326, 25
61550, 27
59808, 30
58502, 32
58335, 34
57801, 36
57285, 39
57225, 41
56577, 43
56245, 45
55313, 48
54481, 50
54402, 52
51367, 55
49936, 57
49707, 59
49267, 61
48457, 64
48161, 66
46386, 68
46204, 70
46003, 73
45811, 75
45770, 77
45484, 80
45247, 82
43349, 84
42641, 86
40122, 89
39871, 91
38347, 93
37503, 95
35582, 98