condition	mean	min	max
4 h after light	5.50669	5.18572	5.82766
8 h after light	4.97883	4.91846	5.0392
12 h after light	6.0524000000000004	5.85267	6.25213
4 h after dark	8.34956	7.70905	8.90112
8 h after dark	8.0457	7.61268	8.61326
12 h after dark	5.69914	5.21832	6.5152