condition	mean	min	max
4 h after light	56.3	56.3	56.3
8 h after light	69.2	49.2	89.2
12 h after light	86.5	84.3	88.7
4 h after dark	64.6	64.4	64.8
8 h after dark	51.85	36.3	67.4
12 h after dark	46.75	41.5	52.0