condition	mean	min	max
4 h after light	6.027805	4.5069989999999995	7.810639
8 h after light	2.8086106666666666	2.4910259999999997	3.419769
12 h after light	3.8383220000000002	2.0579520000000002	6.657609
16 h after light	8.095984333333334	6.333496	11.040289999999999
4 h after dark	7.852221999999999	3.8125970000000002	12.945789999999999
8 h after dark	8.099376	7.225728	8.685034