condition mean min max 2 h after light 5.716435 4.17861 7.35248 6 h after light 6.4877 3.23858 10.1573 10 h after light 5.05854 2.67737 7.25029 14 h after light 6.404443333333333 3.72951 8.63403 18 h after light 6.302241666666667 4.23785 8.01275 2 h after dark 6.496316666666666 3.37159 9.85892