condition mean min max 4 h after light 369.8660055 252.111846 487.620165 8 h after light 481.89876399999997 331.873164 631.924364 12 h after light 201.9420715 143.920027 259.964116 4 h after dark 163.9471615 162.552764 165.341559 8 h after dark 115.15284299999999 115.131097 115.174589 12 h after dark 106.34405 106.34405 106.34405