condition	mean	min	max
2 h after light	8.05267	6.83084	8.93881
6 h after light	8.90248	8.44535	9.42717
10 h after light	9.140286666666666	8.52723	9.46994
2 h after dark	8.183223333333332	8.00795	8.42693
6 h after dark	7.79263	6.99304	8.50844
10 h after dark	7.76399	7.41593	8.26184