condition	mean	min	max
4 h after light	10.8	10.8	10.8
8 h after light	26.75	6.9	46.6
12 h after light	65.5	62.3	68.7
4 h after dark	10.2	6.5	13.9
8 h after dark	10.15	7.8	12.5
12 h after dark	9.95	7.2	12.7