condition mean min max 4 h after light 569.963468 353.925648 786.001288 8 h after light 529.339122 487.925372 570.752872 12 h after light 547.950252 533.96994 561.930564 4 h after dark 818.1903335 507.462826 1128.917841 8 h after dark 902.360212 803.331476 1001.388948 12 h after dark 750.577868 750.577868 750.577868