condition	mean	min	max
4 h after light	4.6	4.6	4.6
8 h after light	6.7	4.9	8.5
12 h after light	4.449999999999999	3.3	5.6
4 h after dark	4.0	3.8	4.2
8 h after dark	3.95	3.4	4.5
12 h after dark	3.8	3.5	4.1