condition mean min max 4 h after light 341.7726695 230.899989 452.64535 8 h after light 573.1113290000001 566.482269 579.740389 12 h after light 605.2332345 482.573955 727.892514 4 h after dark 1166.882391 857.727063 1476.037719 8 h after dark 1326.235365 1013.608132 1638.862598 12 h after dark 597.065889 597.065889 597.065889