condition mean min max 4 h after light 203.990477 158.701061 249.279893 8 h after light 288.0962945 278.736555 297.456034 12 h after light 200.781795 152.716149 248.847441 4 h after dark 495.431824 351.544735 639.318913 8 h after dark 494.42280900000003 323.505111 665.340507 12 h after dark 270.884877 270.884877 270.884877