condition mean min max 0 h after light 154.4665 148.935 159.998 4 h after light 189.6615 176.655 202.668 8 h after light 423.414 395.096 451.732 4 h after dark 516.2565 412.982 619.531 8 h after dark 327.7785 324.081 331.476 12 h after dark 222.6585 129.722 315.595