condition mean min max 4 h after light 2731.4 2731.4 2731.4 8 h after light 2986.8500000000004 2427.8 3545.9 12 h after light 2726.3500000000004 2232.3 3220.4 4 h after dark 1862.25 1415.3 2309.2 8 h after dark 1758.6 1692.8 1824.4 12 h after dark 2433.75 1954.1 2913.4