condition mean min max 4 h after light 687.4 687.4 687.4 8 h after light 723.1 689.5 756.7 12 h after light 813.7 717.2 910.2 4 h after dark 785.9000000000001 745.7 826.1 8 h after dark 772.2 728.6 815.8 12 h after dark 818.95 770.1 867.8