condition mean min max 2 h after light 2.949533333333333 2.32992 3.29641 6 h after light 6.381153333333333 5.2287 7.66914 10 h after light 5.36491 4.93103 6.02584 2 h after dark 5.138433333333333 4.01653 6.87487 6 h after dark 5.98626 4.79697 7.04683 10 h after dark 4.15411 3.90571 4.31673