condition mean min max 4 h after light 247.464868 221.882298 273.047438 8 h after light 262.71429850000004 208.903819 316.524778 12 h after light 264.91755 247.662571 282.172529 4 h after dark 323.42092249999996 293.855017 352.986828 8 h after dark 346.2979985 316.424411 376.171586 12 h after dark 285.820313 285.820313 285.820313