condition	mean	min	max
4 h after light	68.4	68.4	68.4
8 h after light	69.9	52.6	87.2
12 h after light	76.2	50.2	102.2
4 h after dark	52.4	41.8	63.0
8 h after dark	58.95	54.3	63.6
12 h after dark	65.45	55.9	75.0