condition	mean	min	max
4 h after light	0.376154	0.186982	0.565326
8 h after light	2.208075	2.00388	2.41227
12 h after light	4.48995	3.99776	4.98214
4 h after dark	6.927945	6.58436	7.27153
8 h after dark	5.915845	5.42849	6.4032
12 h after dark	3.28892	2.76601	3.81183