... under-lying process. X = {20.55, 22.30, 20.86, 20.24, 22 .11 , 22.36, 21. 67, 19 .11 , 17 .42, 17 .74, 17 .55, 17 .11 , 16 .87, 15 .42, 14 .75, 12 .92, 16 .12 , 14 .43, 13 .12 , 11 .49, 12 .36, 18 .12 , 19 .55, 19 .93, 17 .12 , ... Watershed, 19 45 19 68YearAnnual Maximum(cfs)Smoothed Series(cfs) 19 45 2000 19 46 17 40 19 47 14 60 19 48 2060 17 20 19 49 15 30 16 40 19 50 15 90 15 80 19 51 1690 14 60 19 52 14 20 13 60 19 53 13 30 13 80 19 54 607 14 80 19 55 ... 17 .12 , 16 .93, 12 .86, 17 . 61, 16 .11 , 15 .24, 19 .12 }. Y = {324, 288, 278, 288, 2 71, 257, 229, 218 , 257, 368, 336, 328,288, 268, 299, 320, 344, 292, 212 , 17 7, 17 7, 15 8, 15 1, 14 2, 13 1, 12 2, 15 1, 12 5,...