condition	mean	min	max
4 h after light	10.1960835	8.839534	11.552633
8 h after light	9.26971	8.142419	10.397001
12 h after light	9.926431000000001	8.698769	11.154093
4 h after dark	8.4203515	8.001169	8.839534
8 h after dark	7.857035999999999	6.801493	8.912579
12 h after dark	11.223007	11.223007	11.223007