level,measured,group
80,80.4,day1
100,100.5,day1
120,120.6,day1
80,80.3,day1
100,100.4,day1
120,120.5,day1
80,78.9,day2
100,98.6,day2
120,118.4,day2
80,79.0,day2
100,98.7,day2
120,118.5,day2
80,81.5,day3
100,101.9,day3
120,122.3,day3
80,81.6,day3
100,102.0,day3
120,122.4,day3