condition	mean	min	max
4 h after light	4.880905	3.79496	5.96685
8 h after light	7.69164	7.64519	7.73809
12 h after light	12.17155	11.4544	12.8887
4 h after dark	14.794866666666667	10.3461	18.0252
8 h after dark	11.6571	10.8766	13.1296
12 h after dark	9.220500000000001	7.46961	10.8521