condition	mean	min	max
4 h after light	6.6257	6.313949	6.937451
8 h after light	7.716573	7.534929	7.898217
12 h after light	8.9285	8.186913	9.670087
4 h after dark	7.529313999999999	7.434809	7.623819
8 h after dark	8.45594	8.015327	8.896553
12 h after dark	6.620969	6.620969	6.620969