condition	mean	min	max
4 h after light	6.1	6.1	6.1
8 h after light	8.25	7.2	9.3
12 h after light	11.55	10.6	12.5
4 h after dark	8.75	6.8	10.7
8 h after dark	8.149999999999999	7.1	9.2
12 h after dark	6.75	6.3	7.2