condition	mean	min	max
4 h after light	3.82745	3.63412	4.02078
8 h after light	3.7410200000000002	3.43419	4.04785
12 h after light	6.598755000000001	5.83002	7.36749
4 h after dark	6.889385000000001	5.29164	8.48713
8 h after dark	10.943615000000001	9.66273	12.2245
12 h after dark	6.88513	6.31902	7.45124