condition mean min max 4 h after light 1158.2155985 1016.536925 1299.894272 8 h after light 654.609391 586.140571 723.078211 12 h after light 996.569301 966.012871 1027.125731 4 h after dark 950.5542700000001 844.869172 1056.239368 8 h after dark 679.661435 406.900517 952.422353 12 h after dark 1334.21279 1334.21279 1334.21279