condition	mean	min	max
4 h after light	15.697999999999999	10.3017	20.287
8 h after light	5.59061	4.38349	6.4852
12 h after light	7.440536666666667	5.34367	10.5394
4 h after dark	5.34447	4.73652	5.92678
8 h after dark	8.84446	7.22695	9.81764
12 h after dark	21.3976	18.8922	25.8064