condition mean min max 4 h after light 2734.2309800000003 2339.616672 3128.845288 8 h after light 2028.4987409999999 1868.571017 2188.426465 12 h after light 2285.432754 2046.914396 2523.951112 4 h after dark 1959.970247 1795.977668 2123.962826 8 h after dark 1282.573545 658.15369 1906.9934 12 h after dark 3380.831975 3380.831975 3380.831975