condition	mean	min	max
4 h after light	7.424493333333333	4.83629	9.04381
8 h after light	6.58563	1.90858	10.703
12 h after light	7.090436666666667	4.51171	8.87226
4 h after dark	6.78068	6.46159	7.33032
8 h after dark	5.95153	4.46615	6.84003
12 h after dark	5.455356666666667	4.60021	6.76594