condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.0739735 0.0 0.147947 8 h after light 0.109815 0.071826 0.147804 4 h after dark 0.0715835 0.0 0.143167 8 h after dark 0.0718027 0.0715014 0.072104 12 h after dark 0.03625095 0.0 0.0725019