condition mean min max 4 h after light 357.660177 232.16522 483.155134 8 h after light 453.42373299999997 390.64223 516.205236 12 h after light 389.1551175 328.385871 449.924364 4 h after dark 190.685519 108.267203 273.103835 8 h after dark 179.036156 174.693595 183.378717 12 h after dark 113.035178 113.035178 113.035178