condition mean min max 4 h after light 1785.5560795 1344.264718 2226.847441 8 h after light 1104.8718975000002 940.608993 1269.134802 12 h after light 841.6171425 807.704257 875.530028 4 h after dark 540.7809135 283.252847 798.30898 8 h after dark 596.655491 373.462826 819.848156 12 h after dark 1675.693595 1675.693595 1675.693595