condition	mean	min	max
4 h after light	8.531354	8.130646	8.932062
8 h after light	7.7588235	7.087713	8.429934
12 h after light	7.875094	7.685482	8.064706
4 h after dark	8.234819000000002	8.144049	8.325589
8 h after dark	8.497503	7.529471	9.465535
12 h after dark	8.130646	8.130646	8.130646