condition	mean	min	max
4 h after light	3.7	3.7	3.7
8 h after light	4.25	3.4	5.1
12 h after light	3.3	2.9	3.7
4 h after dark	3.5999999999999996	3.4	3.8
8 h after dark	4.0	4.0	4.0
12 h after dark	3.85	3.3	4.4