condition	mean	min	max
4 h after light	6.32064	5.03294	7.60834
8 h after light	3.65699	1.83462	5.47936
12 h after light	3.7556249999999998	3.32874	4.18251
4 h after dark	6.9828600000000005	5.19199	8.77373
8 h after dark	6.92927	6.59514	7.2634
12 h after dark	6.644195	6.07406	7.21433