condition mean min max 4 h after light 227.9 227.9 227.9 8 h after light 638.3 288.7 987.9 12 h after light 1294.3000000000002 1277.2 1311.4 4 h after dark 1084.5 470.7 1698.3 8 h after dark 345.95000000000005 160.3 531.6 12 h after dark 187.5 125.2 249.8