condition mean min max 3 h after light 109.18773333333333 97.0102 128.392 6 h after light 83.0345 73.1065 95.5869 9 h after light 81.57246666666667 71.8259 97.0909 12 h after light 123.21525 114.266 133.172 3 h after dark 156.32266666666666 150.618 164.314 6 h after dark 171.306 163.365 179.667 9 h after dark 142.608 129.345 151.36 12 h after dark 101.445 100.921 101.969