condition	mean	min	max
0 h after light	6.547625	6.33266	6.76259
4 h after light	9.960004999999999	9.06091	10.8591
8 h after light	5.83889	5.31013	6.36765
4 h after dark	5.73973	4.74045	6.73901
8 h after dark	7.19569	6.48119	7.91019
12 h after dark	6.7331	6.56362	6.90258