condition	mean	min	max
4 h after light	6.19139	5.37972	7.00306
8 h after light	7.704364999999999	7.68718	7.72155
12 h after light	10.090765000000001	9.34003	10.8415
4 h after dark	12.6464	12.2113	13.0815
8 h after dark	9.530245	9.12256	9.93793
12 h after dark	8.11398	8.03458	8.19338