condition mean min max 4 h after light 421.9 421.9 421.9 8 h after light 477.25 424.9 529.6 12 h after light 564.4 503.5 625.3 4 h after dark 775.0 746.1 803.9 8 h after dark 775.4000000000001 685.2 865.6 12 h after dark 760.1 749.0 771.2