condition	mean	min	max
4 h after light	64.3	64.3	64.3
8 h after light	51.2	48.1	54.3
12 h after light	52.3	44.5	60.1
4 h after dark	55.0	44.5	65.5
8 h after dark	64.8	43.3	86.3
12 h after dark	77.9	75.8	80.0