condition	mean	min	max
4 h after light	1.5	1.5	1.5
8 h after light	4.45	2.1	6.8
12 h after light	4.85	4.0	5.7
4 h after dark	4.800000000000001	1.3	8.3
8 h after dark	3.55	3.2	3.9
12 h after dark	5.0	4.4	5.6