condition	mean	min	max
4 h after light	5.08596	4.31916	5.85276
8 h after light	6.287915	6.20927	6.36656
12 h after light	6.5093700000000005	6.16268	6.85606
4 h after dark	9.055765000000001	8.41069	9.70084
8 h after dark	6.8393999999999995	6.45742	7.22138
12 h after dark	6.682595	6.37206	6.99313