condition	mean	min	max
4 h after light	5.322229999999999	4.60241	6.04205
8 h after light	5.394615	4.89527	5.89396
12 h after light	6.4067799999999995	5.68747	7.12609
4 h after dark	9.359089999999998	9.02611	9.69207
8 h after dark	9.136105	8.67615	9.59606
12 h after dark	7.7075949999999995	7.49855	7.91664