condition	mean	min	max
0 h after light	6.721375	4.9051	8.53765
4 h after light	4.88852	4.40139	5.37565
8 h after light	1.83579	1.60603	2.06555
4 h after dark	4.6153949999999995	4.02881	5.20198
8 h after dark	5.256175	4.83207	5.68028
12 h after dark	4.996465	2.85669	7.13624