condition	mean	min	max
4 h after light	7.696275	6.69408	8.69847
8 h after light	8.031915	7.88071	8.18312
12 h after light	8.55519	7.48108	9.6293
4 h after dark	9.670736666666667	8.79252	10.3105
8 h after dark	9.232476666666667	8.37507	10.6751
12 h after dark	8.93132	7.02672	10.4885