condition mean min max 2 h after light 0.0354595 0.0 0.212757 6 h after light 0.0 0.0 0.0 10 h after light 0.03147916666666666 0.0 0.188875 14 h after light 0.11465316666666667 0.0 0.25574 18 h after light 0.12998933333333335 0.0 0.332768 2 h after dark 0.0632325 0.0 0.379395