condition	mean	min	max
4 h after light	5.3752949999999995	4.46357	6.28702
8 h after light	5.228605	4.8204	5.63681
12 h after light	5.441795000000001	5.43472	5.44887
4 h after dark	7.214053333333333	6.75276	7.48573
8 h after dark	6.204666666666666	5.82159	6.46273
12 h after dark	5.993626666666667	5.7632	6.35765