condition mean min max 2 h after light 171.89483333333334 130.558 210.469 6 h after light 139.7255 114.963 170.059 10 h after light 133.36651666666668 90.0827 229.716 14 h after light 119.6813 87.6797 158.907 18 h after light 128.92746666666667 99.2778 151.705 2 h after dark 169.839 138.686 194.172