condition	mean	min	max
4 h after light	3.93474	3.17896	4.69052
8 h after light	3.133885	2.93883	3.32894
12 h after light	6.193355	5.81452	6.57219
4 h after dark	8.797883333333333	8.61058	8.95122
8 h after dark	9.612143333333332	8.92147	9.98951
12 h after dark	4.99582	4.46598	5.44616