condition mean min max 4 h after light 910.0 910.0 910.0 8 h after light 756.5999999999999 652.4 860.8 12 h after light 643.2 523.8 762.6 4 h after dark 692.05 690.1 694.0 8 h after dark 633.8 535.4 732.2 12 h after dark 729.8 590.0 869.6