condition mean min max 4 h after light 923.5 923.5 923.5 8 h after light 986.6500000000001 892.6 1080.7 12 h after light 877.0999999999999 788.8 965.4 4 h after dark 939.05 860.6 1017.5 8 h after dark 912.0 909.3 914.7 12 h after dark 867.9 843.3 892.5