condition mean min max 4 h after light 2896.6 2896.6 2896.6 8 h after light 2642.6 2358.7 2926.5 12 h after light 2384.75 2223.2 2546.3 4 h after dark 3876.95 2141.7 5612.2 8 h after dark 5234.4 4450.5 6018.3 12 h after dark 4692.7 4586.7 4798.7