condition mean min max 4 h after light 825.962583 678.791807 973.133359 8 h after light 509.97530500000005 410.553688 609.396922 12 h after light 361.8262005 290.683684 432.968717 4 h after dark 330.68080799999996 215.549061 445.812555 8 h after dark 395.49411599999996 390.602329 400.385903 12 h after dark 747.924364 747.924364 747.924364