condition	mean	min	max
4 h after light	57.3	57.3	57.3
8 h after light	70.95	56.0	85.9
12 h after light	51.5	42.4	60.6
4 h after dark	73.75	61.6	85.9
8 h after dark	68.5	48.0	89.0
12 h after dark	51.4	45.9	56.9