condition mean min max 4 h after light 893.0 893.0 893.0 8 h after light 594.9000000000001 571.1 618.7 12 h after light 647.55 437.7 857.4 4 h after dark 731.8 639.8 823.8 8 h after dark 890.35 612.3 1168.4 12 h after dark 904.15 816.9 991.4