condition mean min max 4 h after light 392.77984449999997 387.794788 397.764901 8 h after light 357.01509999999996 301.889408 412.140792 12 h after light 321.1954845 310.363422 332.027547 4 h after dark 285.431648 272.758442 298.104854 8 h after dark 368.593326 350.199633 386.987019 12 h after dark 474.025646 474.025646 474.025646