condition	mean	min	max
4 h after light	11.072046666666667	6.01657	17.6185
8 h after light	6.76934	1.34662	11.6695
12 h after light	5.18774	3.13805	8.58914
4 h after dark	8.24908	5.62869	9.89935
8 h after dark	13.7531	10.3714	16.7869
12 h after dark	19.715833333333336	15.7879	27.5008