"Obs 1","Obs 2","Obs 3","Obs 4"
29.7,29,28.8,30.2
32.2,29.3,32.2,32.9
35.9,29.1,32.1,31.3
28.8,27.2,28.5,35.7
30.9,32.6,28.3,28.3
30.6,34.3,34.8,26.3
32.3,27.7,30.9,27.8
32,27.9,31,30.8
24.2,27.5,28.5,31.1
33.7,24.4,34.3,31
35.3,33.2,31.4,28
28.1,34,31,30.8
28.7,28.9,25.8,29.7
29,33,30.2,30.1
33.5,32.6,33.6,29.2
26.9,27.3,32.1,28.5
30.4,29.6,31,33.8
29,28.9,31.8,26.7
33.8,30.9,31.7,28.2
29.7,27.9,29.1,30.1
27.9,27.7,30.2,32.9
30,31.4,27.7,28.1