condition mean min max 4 h after light 708.6 708.6 708.6 8 h after light 679.45 665.6 693.3 12 h after light 594.0 530.3 657.7 4 h after dark 685.1 665.7 704.5 8 h after dark 715.8499999999999 588.4 843.3 12 h after dark 977.0999999999999 758.9 1195.3