condition	mean	min	max
4 h after light	4.589135000000001	4.51062	4.66765
8 h after light	5.552205	4.88624	6.21817
12 h after light	6.1329	6.04443	6.22137
4 h after dark	7.8496966666666665	7.3982	8.18775
8 h after dark	7.471863333333333	7.10696	7.76991
12 h after dark	5.403896666666666	3.21106	7.17557