condition	mean	min	max
4 h after light	48.4	48.4	48.4
8 h after light	68.75	68.1	69.4
12 h after light	65.85	65.1	66.6
4 h after dark	90.85	84.0	97.7
8 h after dark	76.5	71.2	81.8
12 h after dark	77.4	59.5	95.3