condition mean min max 4 h after light 731.1907265 605.385903 856.99555 8 h after light 634.949216 503.539749 766.358683 12 h after light 909.8970529999999 894.532205 925.261901 4 h after dark 655.017396 495.305919 814.728873 8 h after dark 584.422413 458.847441 709.997385 12 h after dark 1303.13444 1303.13444 1303.13444