condition mean min max 2 h after light 3.282715 1.54619 8.36413 6 h after light 3.260708333333333 1.85398 6.14366 10 h after light 4.83924 2.53761 6.66192 14 h after light 4.577868333333333 3.08099 6.23659 18 h after light 3.75995 2.2272 7.01586 2 h after dark 3.444646666666667 1.28319 6.55153