condition	mean	min	max
4 h after light	5.590059999999999	5.43145	5.74867
8 h after light	6.8130299999999995	6.16078	7.46528
12 h after light	3.2776199999999998	2.61396	3.94128
4 h after dark	7.71793	6.35394	9.08192
8 h after dark	6.2829	4.94355	7.62225
12 h after dark	7.44395	6.95273	7.93517