condition	mean	min	max
4 h after light	83.01175	75.9293	90.0942
8 h after light	8.666545	7.96464	9.36845
12 h after light	7.55808	6.8565	8.25966
4 h after dark	22.58165	19.6164	25.5469
8 h after dark	66.7098	57.9947	75.4249
12 h after dark	72.87635	69.9952	75.7575