condition mean min max 4 h after light 231.828359 223.501584 240.155134 8 h after light 185.07092649999998 183.986719 186.155134 12 h after light 291.0891585 264.575473 317.602844 4 h after dark 421.6199755 366.039251 477.2007 8 h after dark 485.4946545 481.895731 489.093578 12 h after dark 362.167486 362.167486 362.167486