condition	mean	min	max
4 h after light	5.915806666666667	5.78948	6.153490000000001
8 h after light	6.0327	5.8293	6.31421
12 h after light	6.033246666666667	5.83018	6.36679
4 h after dark	5.99529	5.84965	6.24147
8 h after dark	5.923776666666667	5.76523	6.09691
12 h after dark	5.88496	5.72224	6.17795