condition	mean	min	max
0 h after light	7.331925	6.64603	8.01782
4 h after light	5.086875	4.62139	5.55236
8 h after light	5.283505	4.8221	5.74491
4 h after dark	7.93696	7.36384	8.51008
8 h after dark	9.012665	8.67996	9.34537
12 h after dark	6.225335	5.69113	6.75954