condition mean min max 0 h after light 619.584 610.887 628.281 2 h after light 224.4445 194.885 254.004 4 h after light 167.458 164.215 170.701 8 h after light 25.6491 24.4981 26.8001 12 h after light 15.4788 15.1411 15.8165 2 h after dark 11.8601 11.1669 12.5533 4 h after dark 9.116595 9.0559 9.17729 8 h after dark 56.0788 55.4285 56.7291 12 h after dark 691.9695 683.691 700.248