condition mean min max 4 h after light 398.9 398.9 398.9 8 h after light 565.45 440.2 690.7 12 h after light 1193.25 734.4 1652.1 4 h after dark 1239.85 721.9 1757.8 8 h after dark 749.8499999999999 527.4 972.3 12 h after dark 481.05 340.6 621.5