condition mean min max 4 h after light 61.488094000000004 49.601482 73.374706 8 h after light 55.9586285 54.678528 57.238729 12 h after light 34.300562 32.574617 36.026507 4 h after dark 21.22714 18.211493 24.242787 8 h after dark 21.339294000000002 16.29351 26.385078 12 h after dark 89.640106 89.640106 89.640106