condition mean min max 4 h after light 1260.9142135 943.924589 1577.903838 8 h after light 1185.9103905000002 1123.149926 1248.670855 12 h after light 1129.8716605 783.357418 1476.385903 4 h after dark 1760.7180575 1367.039749 2154.396366 8 h after dark 1654.657996 1480.731217 1828.584775 12 h after dark 2497.706368 2497.706368 2497.706368