condition	mean	min	max
0 h after light	9.064335	8.47256	9.65611
4 h after light	6.33026	6.09232	6.5682
8 h after light	6.573105	6.27383	6.87238
4 h after dark	8.18655	7.90057	8.47253
8 h after dark	7.316935000000001	6.43203	8.20184
12 h after dark	7.416865	6.35049	8.48324