condition mean min max 4 h after light 369.50835 358.465684 380.551016 8 h after light 418.2088645 417.584199 418.83353 12 h after light 425.7563375 376.30898 475.203695 4 h after dark 542.894513 466.555578 619.233448 8 h after dark 514.2049015 466.833515 561.576288 12 h after dark 471.777933 471.777933 471.777933