condition mean min max 3 h after light 141.19966666666667 135.951 146.506 6 h after light 165.6 149.615 194.961 9 h after light 220.54766666666666 191.025 239.07 12 h after light 219.85 110.235 283.476 3 h after dark 198.837 191.564 212.671 6 h after dark 120.64699999999999 108.57 131.368 9 h after dark 88.839 68.8876 100.324 12 h after dark 77.5098 69.9791 85.0405