condition	mean	min	max
4 h after light	3.4	3.4	3.4
8 h after light	6.25	4.6	7.9
12 h after light	5.6	5.1	6.1
4 h after dark	29.6	10.5	48.7
8 h after dark	7.15	6.3	8.0
12 h after dark	7.15	2.8	11.5