condition mean min max 4 h after light 156.00699150000003 145.62808 166.385903 8 h after light 154.339551 132.187636 176.491466 12 h after light 143.446156 140.47155 146.420762 4 h after dark 227.13404500000001 194.574495 259.693595 8 h after dark 321.1895865 242.776005 399.603168 12 h after dark 116.001288 116.001288 116.001288