condition mean min max 2 h after light 0.0168785 0.0 0.101271 6 h after light 0.0 0.0 0.0 10 h after light 0.05027105 0.0 0.110818 14 h after light 0.0 0.0 0.0 18 h after light 0.014566116666666665 0.0 0.0873967 2 h after dark 0.09029466666666668 0.0 0.541768