condition mean min max 4 h after light 281.3029395 230.896925 331.708954 8 h after light 172.2415905 132.847441 211.63574 12 h after light 270.65533300000004 224.804821 316.505845 4 h after dark 129.633212 123.493769 135.772655 8 h after dark 237.5367355 157.878511 317.19496 12 h after dark 394.385903 394.385903 394.385903