condition	mean	min	max
4 h after light	16.4616425	14.956176	17.967109
8 h after light	15.8451065	14.39469	17.295523
12 h after light	14.790872	12.416019	17.165725
4 h after dark	14.106164	13.697219	14.515109
8 h after dark	17.178344	16.879237	17.477451
12 h after dark	13.844453	13.844453	13.844453