condition	mean	min	max
4 h after light	65.977	64.2933	67.6607
8 h after light	33.0009	32.5064	33.4954
12 h after light	20.43685	20.1356	20.7381
4 h after dark	18.31165	17.9172	18.7061
8 h after dark	26.35955	25.994	26.7251
12 h after dark	44.08195	42.832	45.3319