Based on trace file: PLNM8_QINE.ESPF10.csv
PeakFlow (CFS), Probability of Exceedance (%) 
83701, 2
75535, 5
74275, 7
72708, 9
66122, 11
65402, 14
62776, 16
59925, 18
58259, 20
58196, 23
56339, 25
55125, 27
52559, 30
50119, 32
49963, 34
47324, 36
45781, 39
45407, 41
45188, 43
44076, 45
43170, 48
43023, 50
42645, 52
42635, 55
41957, 57
41567, 59
41182, 61
41017, 64
40949, 66
40636, 68
40363, 70
40182, 73
39694, 75
38993, 77
38274, 80
37996, 82
37247, 84
37214, 86
35673, 89
34812, 91
34733, 93
34703, 95
34077, 98