condition	mean	min	max
2 h after light	9.02536	7.46732	11.7264
6 h after light	7.965121666666667	6.92082	9.34083
10 h after light	8.554045	6.99777	10.8156
14 h after light	8.185491666666666	7.12996	10.0954
18 h after light	8.729161666666666	6.96392	11.5819
2 h after dark	11.886705000000001	8.72183	14.1203