condition mean min max 2 h after light 148.52738333333335 92.1423 194.577 6 h after light 135.09415 79.4559 190.118 10 h after light 124.67 104.365 155.341 14 h after light 133.90676666666667 76.6382 181.438 18 h after light 158.119 100.084 267.648 2 h after dark 139.64506666666668 84.9884 172.187