condition	mean	min	max
4 h after light	3.58103	2.76817	4.39389
8 h after light	3.86162	3.67788	4.04536
12 h after light	3.37181	3.20271	3.54091
4 h after dark	6.423233333333333	6.03211	6.7311
8 h after dark	6.180926666666666	5.40297	6.75382
12 h after dark	5.29169	4.94508	5.65113