condition	mean	min	max
4 h after light	55.3	55.3	55.3
8 h after light	43.95	10.4	77.5
12 h after light	49.8	47.5	52.1
4 h after dark	72.15	45.1	99.2
8 h after dark	72.9	57.8	88.0
12 h after dark	65.75	62.5	69.0