condition	mean	min	max
4 h after light	16.2	16.2	16.2
8 h after light	3.7	3.5	3.9
12 h after light	14.65	8.7	20.6
4 h after dark	5.4	3.2	7.6
8 h after dark	4.3	3.6	5.0
12 h after dark	9.4	7.9	10.9