condition	mean	min	max
0 h after light	2.021125	1.95773	2.08452
4 h after light	4.091455	3.40397	4.77894
8 h after light	18.9518	16.9497	20.9539
4 h after dark	12.189795	9.21699	15.1626
8 h after dark	5.505625	4.85226	6.15899
12 h after dark	3.03235	2.34194	3.72276