condition mean min max 3 h after light 0.8776186666666667 0.783839 0.988282 6 h after light 0.5729936666666666 0.329521 0.732936 9 h after light 1.1383996666666667 0.885989 1.39455 12 h after light 2.4011 1.92258 2.85027 3 h after dark 3.91845 3.5887 4.12413 6 h after dark 1.75459 1.45616 2.18807 9 h after dark 1.73736 1.17709 2.14628 12 h after dark 2.190965 1.69737 2.68456