condition	mean	min	max
4 h after light	6.8	6.8	6.8
8 h after light	37.2	30.5	43.9
12 h after light	12.2	4.6	19.8
4 h after dark	8.0	2.9	13.1
8 h after dark	13.950000000000001	1.6	26.3
12 h after dark	2.9	1.5	4.3