condition	mean	min	max
4 h after light	13.01953	4.01889	19.5731
8 h after light	9.050766666666668	2.40173	16.1792
12 h after light	10.082253333333334	5.73027	14.6679
4 h after dark	23.9704	18.3304	29.3494
8 h after dark	16.7264	12.2855	21.3837
12 h after dark	6.668956666666666	5.38501	7.40301