condition	mean	min	max
4 h after light	438.5	438.5	438.5
8 h after light	402.75	377.6	427.9
12 h after light	404.75	378.4	431.1
4 h after dark	498.7	366.9	630.5
8 h after dark	610.45	531.7	689.2
12 h after dark	501.1	480.6	521.6