condition mean min max 0 h after light 709.5395 676.149 742.93 2 h after light 642.8245 635.763 649.886 4 h after light 566.514 542.64 590.388 8 h after light 538.5465 530.701 546.392 12 h after light 580.725 552.211 609.239 2 h after dark 643.8795 614.422 673.337 4 h after dark 729.752 689.417 770.087 8 h after dark 782.0105 762.846 801.175 12 h after dark 773.8665 755.983 791.75