condition	mean	min	max
4 h after light	720.7	720.7	720.7
8 h after light	681.45	613.4	749.5
12 h after light	631.45	619.3	643.6
4 h after dark	716.7	702.8	730.6
8 h after dark	645.55	606.0	685.1
12 h after dark	653.3	616.1	690.5