condition mean min max 4 h after light 341.595866 316.924364 366.267368 8 h after light 328.9739605 310.922564 347.025357 12 h after light 369.987511 325.477472 414.49755 4 h after dark 323.9400825 292.878877 355.001288 8 h after dark 283.0401465 245.802864 320.277429 12 h after dark 329.864981 329.864981 329.864981