condition mean min max 4 h after light 0.297369 0.147819 0.446919 8 h after light 0.080825 0.0 0.16165 12 h after light 0.2692375 0.14741 0.391065 4 h after dark 0.1288435 0.0 0.257687 8 h after dark 0.2894145 0.255994 0.322835 12 h after dark 0.2675955 0.0 0.535191