"Obs 1","Obs 2","Obs 3","Obs 4"
40.77,39.95,40.86,39.21
38.94,39.7,40.37,39.88
40.43,40.27,40.91,40.05
39.55,40.1,39.39,40.89
41.01,39.07,39.85,40.32
39.06,39.9,39.84,40.22
39.63,39.42,40.04,39.5
41.05,40.74,40.43,39.4
40.28,40.89,39.61,40.48
39.28,40.49,38.88,40.72
40.57,40.04,40.85,40.51
39.9,40.67,40.51,40.53
40.7,40.54,40.73,40.45
39.58,40.9,39.62,39.83
40.16,40.69,40.37,39.69
40.46,40.21,40.09,40.58