condition	mean	min	max
4 h after light	532.8	532.8	532.8
8 h after light	492.25	445.0	539.5
12 h after light	493.5	450.8	536.2
4 h after dark	511.3	409.0	613.6
8 h after dark	489.75	452.3	527.2
12 h after dark	488.55	441.5	535.6