condition	mean	min	max
4 h after light	500.4	500.4	500.4
8 h after light	539.3	503.5	575.1
12 h after light	424.8	382.1	467.5
4 h after dark	547.85	453.3	642.4
8 h after dark	721.45	656.8	786.1
12 h after dark	588.95	533.9	644.0