condition mean min max 4 h after light 2178.8956795 2045.482379 2312.30898 8 h after light 1981.6503255 1944.678244 2018.622407 12 h after light 2428.6030785000003 2379.00731 2478.198847 4 h after dark 2208.6069505 1934.38827 2482.825631 8 h after dark 3012.6848575000004 2343.259782 3682.109933 12 h after dark 2189.081293 2189.081293 2189.081293