condition	mean	min	max
4 h after light	563.0	563.0	563.0
8 h after light	480.4	427.7	533.1
12 h after light	530.15	439.3	621.0
4 h after dark	588.35	539.0	637.7
8 h after dark	724.45	688.1	760.8
12 h after dark	703.4	688.4	718.4