condition	mean	min	max
4 h after light	535.9	535.9	535.9
8 h after light	442.25	438.4	446.1
12 h after light	411.75	409.6	413.9
4 h after dark	352.6	304.6	400.6
8 h after dark	504.5	491.6	517.4
12 h after dark	579.9	528.4	631.4