condition mean min max 4 h after light 2230.7 2230.7 2230.7 8 h after light 1756.8999999999999 1423.1 2090.7 12 h after light 2662.3 1378.9 3945.7 4 h after dark 4064.35 3497.5 4631.2 8 h after dark 4977.2 4537.0 5417.4 12 h after dark 4871.45 4681.7 5061.2