condition	mean	min	max
4 h after light	9.939308	9.791631	10.086985
8 h after light	8.544411499999999	8.335118	8.753705
12 h after light	8.747478999999998	8.669061	8.825897
4 h after dark	8.532439499999999	8.395818	8.669061
8 h after dark	8.3125885	7.956116	8.669061
12 h after dark	7.802867	7.802867	7.802867