condition	mean	min	max
4 h after light	5.9	5.9	5.9
8 h after light	27.9	4.4	51.4
12 h after light	16.5	4.5	28.5
4 h after dark	6.6	3.7	9.5
8 h after dark	17.85	2.7	33.0
12 h after dark	23.9	17.1	30.7