condition	mean	min	max
4 h after light	6.731855	5.14114	8.32257
8 h after light	7.795755	7.01827	8.57324
12 h after light	9.98987	9.11874	10.861
4 h after dark	13.713133333333333	13.0706	14.8776
8 h after dark	13.611666666666666	12.2627	14.8757
12 h after dark	7.062	4.9075	8.50253