condition	mean	min	max
4 h after light	12.2	12.2	12.2
8 h after light	42.6	14.4	70.8
12 h after light	58.2	58.2	58.2
4 h after dark	36.2	8.2	64.2
8 h after dark	68.3	52.1	84.5
12 h after dark	57.25	48.4	66.1