condition	mean	min	max
4 h after light	5.23063	5.21765	5.24361
8 h after light	5.38613	5.22614	5.54612
12 h after light	6.658975	6.00133	7.31662
4 h after dark	7.81634	7.61022	8.02246
8 h after dark	7.8318	7.82795	7.83565
12 h after dark	6.884655	6.43167	7.33764