condition	mean	min	max
4 h after light	7698.5	7698.5	7698.5
8 h after light	7755.4	7402.5	8108.3
12 h after light	7220.85	6896.2	7545.5
4 h after dark	9487.8	7571.8	11403.8
8 h after dark	10163.85	9644.5	10683.2
12 h after dark	10572.0	10558.0	10586.0