condition	mean	min	max
4 h after light	5.376056666666667	2.92804	7.63633
8 h after light	5.2419633333333335	1.48895	8.19298
12 h after light	6.55138	4.15513	9.14113
4 h after dark	9.322253333333332	6.00646	11.7833
8 h after dark	9.55508	7.18234	10.9605
12 h after dark	8.70272	8.3912	9.21952