condition mean min max 0 h after light 4.18718 3.77216 4.6022 4 h after light 2.7364550000000003 2.06251 3.4104 8 h after light 2.7264 2.55533 2.89747 4 h after dark 2.676565 2.46543 2.8877 8 h after dark 2.69398 1.64822 3.73974 12 h after dark 2.2707050000000004 2.0891 2.45231