condition mean min max 4 h after light 97.81729999999999 95.5136 100.121 8 h after light 80.514 79.3333 81.6947 12 h after light 89.10464999999999 87.9255 90.2838 4 h after dark 108.68266666666666 106.533 112.128 8 h after dark 117.858 115.2 119.557 12 h after dark 115.50366666666666 112.892 118.179