condition	mean	min	max
0 h after light	6.46948	6.35766	6.5813
4 h after light	4.57266	4.17887	4.96645
8 h after light	4.469605	4.19329	4.74592
4 h after dark	7.61253	7.2847	7.94036
8 h after dark	5.246065	3.7569	6.73523
12 h after dark	5.3276	4.44438	6.21082