condition	mean	min	max
4 h after light	1.6	1.6	1.6
8 h after light	28.5	13.6	43.4
12 h after light	36.25	28.8	43.7
4 h after dark	6.25	4.4	8.1
8 h after dark	15.05	3.3	26.8
12 h after dark	4.6	4.5	4.7