Data Columns: X (age), Y (temp), Z1 (height), Z2, Z3,.... Z1 (height) is all associated with Y1 (10°), Z2 with Y2 (20°),... With Z1, Row 1 is associated with X1 (3 y), Row 2 with X2 (4 y),...
So each point has an X, Y, and Z value