condition mean min max 4 h after light 387.093919 367.631307 406.556531 8 h after light 466.165627 456.329966 476.001288 12 h after light 398.9173515 362.917834 434.916869 4 h after dark 405.4243645 378.385903 432.462826 8 h after dark 426.5229925 350.010477 503.035508 12 h after dark 262.409694 262.409694 262.409694