condition	mean	min	max
3 h after light	6.00764	5.74009	6.23388
6 h after light	5.22447	3.76889	6.23446
9 h after light	6.20808	5.65735	7.14034
12 h after light	7.6851375	7.10622	8.2515
3 h after dark	8.85335	7.65554	9.69638
6 h after dark	7.8556333333333335	7.10376	9.27311
9 h after dark	6.55375	5.6796	7.13989
12 h after dark	6.663584999999999	6.04442	7.28275