condition mean min max 4 h after light 713.777 685.046 742.508 8 h after light 606.674 601.396 611.952 12 h after light 641.153 635.171 647.135 4 h after dark 688.7874999999999 680.588 696.987 8 h after dark 752.8895 745.367 760.412 12 h after dark 739.4259999999999 726.091 752.761