condition	mean	min	max
4 h after light	2.57411	1.75766	3.39056
8 h after light	4.10537	3.69669	4.51405
12 h after light	6.062605	5.62757	6.49764
4 h after dark	5.842736666666666	5.54138	6.43753
8 h after dark	3.43839	3.0631	3.96279
12 h after dark	3.0224366666666667	2.37801	4.09124