condition	mean	min	max
0 h after light	7.070795	6.82068	7.32091
4 h after light	5.703585	5.16269	6.24448
8 h after light	8.218815	7.80842	8.62921
4 h after dark	13.61145	11.4329	15.79
8 h after dark	9.00909	8.70961	9.30857
12 h after dark	6.967890000000001	6.13037	7.80541