condition mean min max 4 h after light 425.2 425.2 425.2 8 h after light 389.25 377.9 400.6 12 h after light 351.75 295.8 407.7 4 h after dark 336.05 220.5 451.6 8 h after dark 434.5 416.2 452.8 12 h after dark 405.45 341.0 469.9