condition	mean	min	max
4 h after light	9.540076	9.430942	9.64921
8 h after light	8.3773295	7.486232	9.268427
12 h after light	9.291890500000001	9.138912	9.444869
4 h after dark	10.597522	8.738081	12.456963
8 h after dark	13.466457	10.175974	16.75694
12 h after dark	9.430942	9.430942	9.430942