condition	mean	min	max
4 h after light	4.9	4.9	4.9
8 h after light	4.85	4.6	5.1
12 h after light	4.3	4.1	4.5
4 h after dark	4.8	4.3	5.3
8 h after dark	5.5	4.7	6.3
12 h after dark	6.800000000000001	6.2	7.4