condition mean min max 4 h after light 4.996173333333333 4.9703 5.03425 8 h after light 5.02834 4.77763 5.27588 12 h after light 5.042436666666667 4.8608 5.24602 4 h after dark 5.19123 4.968459999999999 5.36572 8 h after dark 5.1167 4.86784 5.35709 12 h after dark 5.016086666666666 4.88855 5.23842