condition mean min max 2 h after light 1.85813 1.67179 2.11907 6 h after light 2.0162266666666664 1.89964 2.09362 10 h after light 2.2166300000000003 1.97754 2.5516 2 h after dark 3.71758 3.20435 4.2328 6 h after dark 4.757323333333333 4.59976 4.8693 10 h after dark 3.69152 3.41678 3.97641