condition mean min max 4 h after light 494.3 494.3 494.3 8 h after light 738.9 640.3 837.5 12 h after light 849.6500000000001 682.7 1016.6 4 h after dark 794.5 481.8 1107.2 8 h after dark 713.2 641.5 784.9 12 h after dark 679.8 606.1 753.5