condition mean min max 4 h after light 167.5 167.5 167.5 8 h after light 205.55 181.1 230.0 12 h after light 255.85 205.5 306.2 4 h after dark 312.25 265.8 358.7 8 h after dark 449.70000000000005 311.8 587.6 12 h after dark 353.7 301.5 405.9