condition	mean	min	max
4 h after light	61.4	61.4	61.4
8 h after light	71.9	66.7	77.1
12 h after light	68.25	49.3	87.2
4 h after dark	61.8	54.9	68.7
8 h after dark	58.0	54.9	61.1
12 h after dark	79.85	67.3	92.4